Deleted vendor folder

1 files changed, 0 insertions, 879 deletions

diff --git a/vendor/syn/tests/common/eq.rs b/vendor/syn/tests/common/eq.rs
deleted file mode 100644
index 8ecbe46..0000000
--- a/vendor/syn/tests/common/eq.rs
+++ /dev/null
@@ -1,879 +0,0 @@
-#![allow(unused_macro_rules)]
-
-extern crate rustc_ast;
-extern crate rustc_data_structures;
-extern crate rustc_driver;
-extern crate rustc_span;
-extern crate thin_vec;
-
-use rustc_ast::ast::AngleBracketedArg;
-use rustc_ast::ast::AngleBracketedArgs;
-use rustc_ast::ast::AnonConst;
-use rustc_ast::ast::Arm;
-use rustc_ast::ast::AssocConstraint;
-use rustc_ast::ast::AssocConstraintKind;
-use rustc_ast::ast::AssocItemKind;
-use rustc_ast::ast::AttrArgs;
-use rustc_ast::ast::AttrArgsEq;
-use rustc_ast::ast::AttrId;
-use rustc_ast::ast::AttrItem;
-use rustc_ast::ast::AttrKind;
-use rustc_ast::ast::AttrStyle;
-use rustc_ast::ast::Attribute;
-use rustc_ast::ast::BareFnTy;
-use rustc_ast::ast::BinOpKind;
-use rustc_ast::ast::BindingAnnotation;
-use rustc_ast::ast::Block;
-use rustc_ast::ast::BlockCheckMode;
-use rustc_ast::ast::BorrowKind;
-use rustc_ast::ast::BoundConstness;
-use rustc_ast::ast::BoundPolarity;
-use rustc_ast::ast::ByRef;
-use rustc_ast::ast::CaptureBy;
-use rustc_ast::ast::Closure;
-use rustc_ast::ast::ClosureBinder;
-use rustc_ast::ast::Const;
-use rustc_ast::ast::ConstItem;
-use rustc_ast::ast::CoroutineKind;
-use rustc_ast::ast::Crate;
-use rustc_ast::ast::Defaultness;
-use rustc_ast::ast::DelimArgs;
-use rustc_ast::ast::EnumDef;
-use rustc_ast::ast::Expr;
-use rustc_ast::ast::ExprField;
-use rustc_ast::ast::ExprKind;
-use rustc_ast::ast::Extern;
-use rustc_ast::ast::FieldDef;
-use rustc_ast::ast::FloatTy;
-use rustc_ast::ast::Fn;
-use rustc_ast::ast::FnDecl;
-use rustc_ast::ast::FnHeader;
-use rustc_ast::ast::FnRetTy;
-use rustc_ast::ast::FnSig;
-use rustc_ast::ast::ForLoopKind;
-use rustc_ast::ast::ForeignItemKind;
-use rustc_ast::ast::ForeignMod;
-use rustc_ast::ast::FormatAlignment;
-use rustc_ast::ast::FormatArgPosition;
-use rustc_ast::ast::FormatArgPositionKind;
-use rustc_ast::ast::FormatArgs;
-use rustc_ast::ast::FormatArgsPiece;
-use rustc_ast::ast::FormatArgument;
-use rustc_ast::ast::FormatArgumentKind;
-use rustc_ast::ast::FormatArguments;
-use rustc_ast::ast::FormatCount;
-use rustc_ast::ast::FormatDebugHex;
-use rustc_ast::ast::FormatOptions;
-use rustc_ast::ast::FormatPlaceholder;
-use rustc_ast::ast::FormatSign;
-use rustc_ast::ast::FormatTrait;
-use rustc_ast::ast::GenBlockKind;
-use rustc_ast::ast::GenericArg;
-use rustc_ast::ast::GenericArgs;
-use rustc_ast::ast::GenericBound;
-use rustc_ast::ast::GenericParam;
-use rustc_ast::ast::GenericParamKind;
-use rustc_ast::ast::Generics;
-use rustc_ast::ast::Impl;
-use rustc_ast::ast::ImplPolarity;
-use rustc_ast::ast::Inline;
-use rustc_ast::ast::InlineAsm;
-use rustc_ast::ast::InlineAsmOperand;
-use rustc_ast::ast::InlineAsmOptions;
-use rustc_ast::ast::InlineAsmRegOrRegClass;
-use rustc_ast::ast::InlineAsmSym;
-use rustc_ast::ast::InlineAsmTemplatePiece;
-use rustc_ast::ast::IntTy;
-use rustc_ast::ast::IsAuto;
-use rustc_ast::ast::Item;
-use rustc_ast::ast::ItemKind;
-use rustc_ast::ast::Label;
-use rustc_ast::ast::Lifetime;
-use rustc_ast::ast::LitFloatType;
-use rustc_ast::ast::LitIntType;
-use rustc_ast::ast::LitKind;
-use rustc_ast::ast::Local;
-use rustc_ast::ast::LocalKind;
-use rustc_ast::ast::MacCall;
-use rustc_ast::ast::MacCallStmt;
-use rustc_ast::ast::MacStmtStyle;
-use rustc_ast::ast::MacroDef;
-use rustc_ast::ast::MetaItemLit;
-use rustc_ast::ast::MethodCall;
-use rustc_ast::ast::ModKind;
-use rustc_ast::ast::ModSpans;
-use rustc_ast::ast::Movability;
-use rustc_ast::ast::MutTy;
-use rustc_ast::ast::Mutability;
-use rustc_ast::ast::NodeId;
-use rustc_ast::ast::NormalAttr;
-use rustc_ast::ast::Param;
-use rustc_ast::ast::ParenthesizedArgs;
-use rustc_ast::ast::Pat;
-use rustc_ast::ast::PatField;
-use rustc_ast::ast::PatFieldsRest;
-use rustc_ast::ast::PatKind;
-use rustc_ast::ast::Path;
-use rustc_ast::ast::PathSegment;
-use rustc_ast::ast::PolyTraitRef;
-use rustc_ast::ast::QSelf;
-use rustc_ast::ast::RangeEnd;
-use rustc_ast::ast::RangeLimits;
-use rustc_ast::ast::RangeSyntax;
-use rustc_ast::ast::StaticItem;
-use rustc_ast::ast::Stmt;
-use rustc_ast::ast::StmtKind;
-use rustc_ast::ast::StrLit;
-use rustc_ast::ast::StrStyle;
-use rustc_ast::ast::StructExpr;
-use rustc_ast::ast::StructRest;
-use rustc_ast::ast::Term;
-use rustc_ast::ast::Trait;
-use rustc_ast::ast::TraitBoundModifiers;
-use rustc_ast::ast::TraitObjectSyntax;
-use rustc_ast::ast::TraitRef;
-use rustc_ast::ast::Ty;
-use rustc_ast::ast::TyAlias;
-use rustc_ast::ast::TyAliasWhereClause;
-use rustc_ast::ast::TyKind;
-use rustc_ast::ast::UintTy;
-use rustc_ast::ast::UnOp;
-use rustc_ast::ast::Unsafe;
-use rustc_ast::ast::UnsafeSource;
-use rustc_ast::ast::UseTree;
-use rustc_ast::ast::UseTreeKind;
-use rustc_ast::ast::Variant;
-use rustc_ast::ast::VariantData;
-use rustc_ast::ast::Visibility;
-use rustc_ast::ast::VisibilityKind;
-use rustc_ast::ast::WhereBoundPredicate;
-use rustc_ast::ast::WhereClause;
-use rustc_ast::ast::WhereEqPredicate;
-use rustc_ast::ast::WherePredicate;
-use rustc_ast::ast::WhereRegionPredicate;
-use rustc_ast::ptr::P;
-use rustc_ast::token::{self, CommentKind, Delimiter, Lit, Nonterminal, Token, TokenKind};
-use rustc_ast::tokenstream::{
-    AttrTokenStream, AttrTokenTree, AttributesData, DelimSpacing, DelimSpan, LazyAttrTokenStream,
-    Spacing, TokenStream, TokenTree,
-};
-use rustc_data_structures::sync::Lrc;
-use rustc_span::source_map::Spanned;
-use rustc_span::symbol::{sym, Ident};
-use rustc_span::{ErrorGuaranteed, Span, Symbol, SyntaxContext, DUMMY_SP};
-use std::collections::HashMap;
-use std::hash::{BuildHasher, Hash};
-use thin_vec::ThinVec;
-
-pub trait SpanlessEq {
-    fn eq(&self, other: &Self) -> bool;
-}
-
-impl<T: ?Sized + SpanlessEq> SpanlessEq for Box<T> {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&**self, &**other)
-    }
-}
-
-impl<T: ?Sized + SpanlessEq> SpanlessEq for P<T> {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&**self, &**other)
-    }
-}
-
-impl<T: ?Sized + SpanlessEq> SpanlessEq for Lrc<T> {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&**self, &**other)
-    }
-}
-
-impl<T: SpanlessEq> SpanlessEq for Option<T> {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (None, None) => true,
-            (Some(this), Some(other)) => SpanlessEq::eq(this, other),
-            _ => false,
-        }
-    }
-}
-
-impl<T: SpanlessEq, E: SpanlessEq> SpanlessEq for Result<T, E> {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Ok(this), Ok(other)) => SpanlessEq::eq(this, other),
-            (Err(this), Err(other)) => SpanlessEq::eq(this, other),
-            _ => false,
-        }
-    }
-}
-
-impl<T: SpanlessEq> SpanlessEq for [T] {
-    fn eq(&self, other: &Self) -> bool {
-        self.len() == other.len() && self.iter().zip(other).all(|(a, b)| SpanlessEq::eq(a, b))
-    }
-}
-
-impl<T: SpanlessEq> SpanlessEq for Vec<T> {
-    fn eq(&self, other: &Self) -> bool {
-        <[T] as SpanlessEq>::eq(self, other)
-    }
-}
-
-impl<T: SpanlessEq> SpanlessEq for ThinVec<T> {
-    fn eq(&self, other: &Self) -> bool {
-        self.len() == other.len()
-            && self
-                .iter()
-                .zip(other.iter())
-                .all(|(a, b)| SpanlessEq::eq(a, b))
-    }
-}
-
-impl<K: Eq + Hash, V: SpanlessEq, S: BuildHasher> SpanlessEq for HashMap<K, V, S> {
-    fn eq(&self, other: &Self) -> bool {
-        self.len() == other.len()
-            && self.iter().all(|(key, this_v)| {
-                other
-                    .get(key)
-                    .map_or(false, |other_v| SpanlessEq::eq(this_v, other_v))
-            })
-    }
-}
-
-impl<T: SpanlessEq> SpanlessEq for Spanned<T> {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&self.node, &other.node)
-    }
-}
-
-impl<A: SpanlessEq, B: SpanlessEq> SpanlessEq for (A, B) {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&self.0, &other.0) && SpanlessEq::eq(&self.1, &other.1)
-    }
-}
-
-impl<A: SpanlessEq, B: SpanlessEq, C: SpanlessEq> SpanlessEq for (A, B, C) {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&self.0, &other.0)
-            && SpanlessEq::eq(&self.1, &other.1)
-            && SpanlessEq::eq(&self.2, &other.2)
-    }
-}
-
-macro_rules! spanless_eq_true {
-    ($name:ty) => {
-        impl SpanlessEq for $name {
-            fn eq(&self, _other: &Self) -> bool {
-                true
-            }
-        }
-    };
-}
-
-spanless_eq_true!(Span);
-spanless_eq_true!(DelimSpan);
-spanless_eq_true!(AttrId);
-spanless_eq_true!(NodeId);
-spanless_eq_true!(SyntaxContext);
-spanless_eq_true!(Spacing);
-
-macro_rules! spanless_eq_partial_eq {
-    ($name:ty) => {
-        impl SpanlessEq for $name {
-            fn eq(&self, other: &Self) -> bool {
-                PartialEq::eq(self, other)
-            }
-        }
-    };
-}
-
-spanless_eq_partial_eq!(bool);
-spanless_eq_partial_eq!(u8);
-spanless_eq_partial_eq!(u16);
-spanless_eq_partial_eq!(u32);
-spanless_eq_partial_eq!(u128);
-spanless_eq_partial_eq!(usize);
-spanless_eq_partial_eq!(char);
-spanless_eq_partial_eq!(String);
-spanless_eq_partial_eq!(Symbol);
-spanless_eq_partial_eq!(CommentKind);
-spanless_eq_partial_eq!(Delimiter);
-spanless_eq_partial_eq!(InlineAsmOptions);
-spanless_eq_partial_eq!(token::LitKind);
-spanless_eq_partial_eq!(ErrorGuaranteed);
-
-macro_rules! spanless_eq_struct {
-    {
-        $($name:ident)::+ $(<$param:ident>)?
-        $([$field:tt $this:ident $other:ident])*
-        $(![$ignore:tt])*;
-    } => {
-        impl $(<$param: SpanlessEq>)* SpanlessEq for $($name)::+ $(<$param>)* {
-            fn eq(&self, other: &Self) -> bool {
-                let $($name)::+ { $($field: $this,)* $($ignore: _,)* } = self;
-                let $($name)::+ { $($field: $other,)* $($ignore: _,)* } = other;
-                true $(&& SpanlessEq::eq($this, $other))*
-            }
-        }
-    };
-
-    {
-        $($name:ident)::+ $(<$param:ident>)?
-        $([$field:tt $this:ident $other:ident])*
-        $(![$ignore:tt])*;
-        !$next:tt
-        $($rest:tt)*
-    } => {
-        spanless_eq_struct! {
-            $($name)::+ $(<$param>)*
-            $([$field $this $other])*
-            $(![$ignore])*
-            ![$next];
-            $($rest)*
-        }
-    };
-
-    {
-        $($name:ident)::+ $(<$param:ident>)?
-        $([$field:tt $this:ident $other:ident])*
-        $(![$ignore:tt])*;
-        $next:tt
-        $($rest:tt)*
-    } => {
-        spanless_eq_struct! {
-            $($name)::+ $(<$param>)*
-            $([$field $this $other])*
-            [$next this other]
-            $(![$ignore])*;
-            $($rest)*
-        }
-    };
-}
-
-macro_rules! spanless_eq_enum {
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $([$field:tt $this:ident $other:ident])* $(![$ignore:tt])*])*
-    } => {
-        impl SpanlessEq for $($name)::+ {
-            fn eq(&self, other: &Self) -> bool {
-                match self {
-                    $(
-                        $($variant)::+ { .. } => {}
-                    )*
-                }
-                #[allow(unreachable_patterns)]
-                match (self, other) {
-                    $(
-                        (
-                            $($variant)::+ { $($field: $this,)* $($ignore: _,)* },
-                            $($variant)::+ { $($field: $other,)* $($ignore: _,)* },
-                        ) => {
-                            true $(&& SpanlessEq::eq($this, $other))*
-                        }
-                    )*
-                    _ => false,
-                }
-            }
-        }
-    };
-
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $($fields:tt)*])*
-        $next:ident [$([$($named:tt)*])* $(![$ignore:tt])*] (!$i:tt $($field:tt)*)
-        $($rest:tt)*
-    } => {
-        spanless_eq_enum! {
-            $($name)::+;
-            $([$($variant)::+; $($fields)*])*
-            $next [$([$($named)*])* $(![$ignore])* ![$i]] ($($field)*)
-            $($rest)*
-        }
-    };
-
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $($fields:tt)*])*
-        $next:ident [$([$($named:tt)*])* $(![$ignore:tt])*] ($i:tt $($field:tt)*)
-        $($rest:tt)*
-    } => {
-        spanless_eq_enum! {
-            $($name)::+;
-            $([$($variant)::+; $($fields)*])*
-            $next [$([$($named)*])* [$i this other] $(![$ignore])*] ($($field)*)
-            $($rest)*
-        }
-    };
-
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $($fields:tt)*])*
-        $next:ident [$($named:tt)*] ()
-        $($rest:tt)*
-    } => {
-        spanless_eq_enum! {
-            $($name)::+;
-            $([$($variant)::+; $($fields)*])*
-            [$($name)::+::$next; $($named)*]
-            $($rest)*
-        }
-    };
-
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $($fields:tt)*])*
-        $next:ident ($($field:tt)*)
-        $($rest:tt)*
-    } => {
-        spanless_eq_enum! {
-            $($name)::+;
-            $([$($variant)::+; $($fields)*])*
-            $next [] ($($field)*)
-            $($rest)*
-        }
-    };
-
-    {
-        $($name:ident)::+;
-        $([$($variant:ident)::+; $($fields:tt)*])*
-        $next:ident
-        $($rest:tt)*
-    } => {
-        spanless_eq_enum! {
-            $($name)::+;
-            $([$($variant)::+; $($fields)*])*
-            [$($name)::+::$next;]
-            $($rest)*
-        }
-    };
-}
-
-spanless_eq_struct!(AngleBracketedArgs; span args);
-spanless_eq_struct!(AnonConst; id value);
-spanless_eq_struct!(Arm; attrs pat guard body span id is_placeholder);
-spanless_eq_struct!(AssocConstraint; id ident gen_args kind span);
-spanless_eq_struct!(AttrItem; path args tokens);
-spanless_eq_struct!(AttrTokenStream; 0);
-spanless_eq_struct!(Attribute; kind id style span);
-spanless_eq_struct!(AttributesData; attrs tokens);
-spanless_eq_struct!(BareFnTy; unsafety ext generic_params decl decl_span);
-spanless_eq_struct!(BindingAnnotation; 0 1);
-spanless_eq_struct!(Block; stmts id rules span tokens could_be_bare_literal);
-spanless_eq_struct!(Closure; binder capture_clause constness coroutine_kind movability fn_decl body !fn_decl_span !fn_arg_span);
-spanless_eq_struct!(ConstItem; defaultness generics ty expr);
-spanless_eq_struct!(Crate; attrs items spans id is_placeholder);
-spanless_eq_struct!(DelimArgs; dspan delim tokens);
-spanless_eq_struct!(DelimSpacing; open close);
-spanless_eq_struct!(EnumDef; variants);
-spanless_eq_struct!(Expr; id kind span attrs !tokens);
-spanless_eq_struct!(ExprField; attrs id span ident expr is_shorthand is_placeholder);
-spanless_eq_struct!(FieldDef; attrs id span vis ident ty is_placeholder);
-spanless_eq_struct!(Fn; defaultness generics sig body);
-spanless_eq_struct!(FnDecl; inputs output);
-spanless_eq_struct!(FnHeader; constness coroutine_kind unsafety ext);
-spanless_eq_struct!(FnSig; header decl span);
-spanless_eq_struct!(ForeignMod; unsafety abi items);
-spanless_eq_struct!(FormatArgPosition; index kind span);
-spanless_eq_struct!(FormatArgs; span template arguments);
-spanless_eq_struct!(FormatArgument; kind expr);
-spanless_eq_struct!(FormatOptions; width precision alignment fill sign alternate zero_pad debug_hex);
-spanless_eq_struct!(FormatPlaceholder; argument span format_trait format_options);
-spanless_eq_struct!(GenericParam; id ident attrs bounds is_placeholder kind !colon_span);
-spanless_eq_struct!(Generics; params where_clause span);
-spanless_eq_struct!(Impl; defaultness unsafety generics constness polarity of_trait self_ty items);
-spanless_eq_struct!(InlineAsm; template template_strs operands clobber_abis options line_spans);
-spanless_eq_struct!(InlineAsmSym; id qself path);
-spanless_eq_struct!(Item<K>; attrs id span vis ident kind !tokens);
-spanless_eq_struct!(Label; ident);
-spanless_eq_struct!(Lifetime; id ident);
-spanless_eq_struct!(Lit; kind symbol suffix);
-spanless_eq_struct!(Local; pat ty kind id span attrs !tokens);
-spanless_eq_struct!(MacCall; path args);
-spanless_eq_struct!(MacCallStmt; mac style attrs tokens);
-spanless_eq_struct!(MacroDef; body macro_rules);
-spanless_eq_struct!(MetaItemLit; symbol suffix kind span);
-spanless_eq_struct!(MethodCall; seg receiver args !span);
-spanless_eq_struct!(ModSpans; !inner_span !inject_use_span);
-spanless_eq_struct!(MutTy; ty mutbl);
-spanless_eq_struct!(NormalAttr; item tokens);
-spanless_eq_struct!(ParenthesizedArgs; span inputs inputs_span output);
-spanless_eq_struct!(Pat; id kind span tokens);
-spanless_eq_struct!(PatField; ident pat is_shorthand attrs id span is_placeholder);
-spanless_eq_struct!(Path; span segments tokens);
-spanless_eq_struct!(PathSegment; ident id args);
-spanless_eq_struct!(PolyTraitRef; bound_generic_params trait_ref span);
-spanless_eq_struct!(QSelf; ty path_span position);
-spanless_eq_struct!(StaticItem; ty mutability expr);
-spanless_eq_struct!(Stmt; id kind span);
-spanless_eq_struct!(StrLit; symbol suffix symbol_unescaped style span);
-spanless_eq_struct!(StructExpr; qself path fields rest);
-spanless_eq_struct!(Token; kind span);
-spanless_eq_struct!(Trait; unsafety is_auto generics bounds items);
-spanless_eq_struct!(TraitBoundModifiers; constness polarity);
-spanless_eq_struct!(TraitRef; path ref_id);
-spanless_eq_struct!(Ty; id kind span tokens);
-spanless_eq_struct!(TyAlias; defaultness generics where_clauses !where_predicates_split bounds ty);
-spanless_eq_struct!(TyAliasWhereClause; !0 1);
-spanless_eq_struct!(UseTree; prefix kind span);
-spanless_eq_struct!(Variant; attrs id span !vis ident data disr_expr is_placeholder);
-spanless_eq_struct!(Visibility; kind span tokens);
-spanless_eq_struct!(WhereBoundPredicate; span bound_generic_params bounded_ty bounds);
-spanless_eq_struct!(WhereClause; has_where_token predicates span);
-spanless_eq_struct!(WhereEqPredicate; span lhs_ty rhs_ty);
-spanless_eq_struct!(WhereRegionPredicate; span lifetime bounds);
-spanless_eq_enum!(AngleBracketedArg; Arg(0) Constraint(0));
-spanless_eq_enum!(AssocConstraintKind; Equality(term) Bound(bounds));
-spanless_eq_enum!(AssocItemKind; Const(0) Fn(0) Type(0) MacCall(0));
-spanless_eq_enum!(AttrArgs; Empty Delimited(0) Eq(0 1));
-spanless_eq_enum!(AttrArgsEq; Ast(0) Hir(0));
-spanless_eq_enum!(AttrStyle; Outer Inner);
-spanless_eq_enum!(AttrTokenTree; Token(0 1) Delimited(0 1 2 3) Attributes(0));
-spanless_eq_enum!(BinOpKind; Add Sub Mul Div Rem And Or BitXor BitAnd BitOr Shl Shr Eq Lt Le Ne Ge Gt);
-spanless_eq_enum!(BlockCheckMode; Default Unsafe(0));
-spanless_eq_enum!(BorrowKind; Ref Raw);
-spanless_eq_enum!(BoundConstness; Never Always(0) Maybe(0));
-spanless_eq_enum!(BoundPolarity; Positive Negative(0) Maybe(0));
-spanless_eq_enum!(ByRef; Yes No);
-spanless_eq_enum!(CaptureBy; Value(move_kw) Ref);
-spanless_eq_enum!(ClosureBinder; NotPresent For(span generic_params));
-spanless_eq_enum!(Const; Yes(0) No);
-spanless_eq_enum!(Defaultness; Default(0) Final);
-spanless_eq_enum!(Extern; None Implicit(0) Explicit(0 1));
-spanless_eq_enum!(FloatTy; F32 F64);
-spanless_eq_enum!(FnRetTy; Default(0) Ty(0));
-spanless_eq_enum!(ForLoopKind; For ForAwait);
-spanless_eq_enum!(ForeignItemKind; Static(0 1 2) Fn(0) TyAlias(0) MacCall(0));
-spanless_eq_enum!(FormatAlignment; Left Right Center);
-spanless_eq_enum!(FormatArgPositionKind; Implicit Number Named);
-spanless_eq_enum!(FormatArgsPiece; Literal(0) Placeholder(0));
-spanless_eq_enum!(FormatArgumentKind; Normal Named(0) Captured(0));
-spanless_eq_enum!(FormatCount; Literal(0) Argument(0));
-spanless_eq_enum!(FormatDebugHex; Lower Upper);
-spanless_eq_enum!(FormatSign; Plus Minus);
-spanless_eq_enum!(FormatTrait; Display Debug LowerExp UpperExp Octal Pointer Binary LowerHex UpperHex);
-spanless_eq_enum!(GenBlockKind; Async Gen AsyncGen);
-spanless_eq_enum!(GenericArg; Lifetime(0) Type(0) Const(0));
-spanless_eq_enum!(GenericArgs; AngleBracketed(0) Parenthesized(0));
-spanless_eq_enum!(GenericBound; Trait(0 1) Outlives(0));
-spanless_eq_enum!(GenericParamKind; Lifetime Type(default) Const(ty kw_span default));
-spanless_eq_enum!(ImplPolarity; Positive Negative(0));
-spanless_eq_enum!(Inline; Yes No);
-spanless_eq_enum!(InlineAsmRegOrRegClass; Reg(0) RegClass(0));
-spanless_eq_enum!(InlineAsmTemplatePiece; String(0) Placeholder(operand_idx modifier span));
-spanless_eq_enum!(IntTy; Isize I8 I16 I32 I64 I128);
-spanless_eq_enum!(IsAuto; Yes No);
-spanless_eq_enum!(LitFloatType; Suffixed(0) Unsuffixed);
-spanless_eq_enum!(LitIntType; Signed(0) Unsigned(0) Unsuffixed);
-spanless_eq_enum!(LocalKind; Decl Init(0) InitElse(0 1));
-spanless_eq_enum!(MacStmtStyle; Semicolon Braces NoBraces);
-spanless_eq_enum!(ModKind; Loaded(0 1 2) Unloaded);
-spanless_eq_enum!(Movability; Static Movable);
-spanless_eq_enum!(Mutability; Mut Not);
-spanless_eq_enum!(PatFieldsRest; Rest None);
-spanless_eq_enum!(RangeEnd; Included(0) Excluded);
-spanless_eq_enum!(RangeLimits; HalfOpen Closed);
-spanless_eq_enum!(StmtKind; Local(0) Item(0) Expr(0) Semi(0) Empty MacCall(0));
-spanless_eq_enum!(StrStyle; Cooked Raw(0));
-spanless_eq_enum!(StructRest; Base(0) Rest(0) None);
-spanless_eq_enum!(Term; Ty(0) Const(0));
-spanless_eq_enum!(TokenTree; Token(0 1) Delimited(0 1 2 3));
-spanless_eq_enum!(TraitObjectSyntax; Dyn DynStar None);
-spanless_eq_enum!(UintTy; Usize U8 U16 U32 U64 U128);
-spanless_eq_enum!(UnOp; Deref Not Neg);
-spanless_eq_enum!(Unsafe; Yes(0) No);
-spanless_eq_enum!(UnsafeSource; CompilerGenerated UserProvided);
-spanless_eq_enum!(UseTreeKind; Simple(0) Nested(0) Glob);
-spanless_eq_enum!(VariantData; Struct(fields recovered) Tuple(0 1) Unit(0));
-spanless_eq_enum!(VisibilityKind; Public Restricted(path id shorthand) Inherited);
-spanless_eq_enum!(WherePredicate; BoundPredicate(0) RegionPredicate(0) EqPredicate(0));
-spanless_eq_enum!(CoroutineKind; Async(span closure_id return_impl_trait_id)
-    Gen(span closure_id return_impl_trait_id)
-    AsyncGen(span closure_id return_impl_trait_id));
-spanless_eq_enum!(ExprKind; Array(0) ConstBlock(0) Call(0 1) MethodCall(0)
-    Tup(0) Binary(0 1 2) Unary(0 1) Lit(0) Cast(0 1) Type(0 1) Let(0 1 2 3)
-    If(0 1 2) While(0 1 2) ForLoop(pat iter body label kind) Loop(0 1 2)
-    Match(0 1) Closure(0) Block(0 1) Gen(0 1 2) Await(0 1) TryBlock(0)
-    Assign(0 1 2) AssignOp(0 1 2) Field(0 1) Index(0 1 2) Underscore
-    Range(0 1 2) Path(0 1) AddrOf(0 1 2) Break(0 1) Continue(0) Ret(0)
-    InlineAsm(0) OffsetOf(0 1) MacCall(0) Struct(0) Repeat(0 1) Paren(0) Try(0)
-    Yield(0) Yeet(0) Become(0) IncludedBytes(0) FormatArgs(0) Err);
-spanless_eq_enum!(InlineAsmOperand; In(reg expr) Out(reg late expr)
-    InOut(reg late expr) SplitInOut(reg late in_expr out_expr) Const(anon_const)
-    Sym(sym));
-spanless_eq_enum!(ItemKind; ExternCrate(0) Use(0) Static(0) Const(0) Fn(0)
-    Mod(0 1) ForeignMod(0) GlobalAsm(0) TyAlias(0) Enum(0 1) Struct(0 1)
-    Union(0 1) Trait(0) TraitAlias(0 1) Impl(0) MacCall(0) MacroDef(0));
-spanless_eq_enum!(LitKind; Str(0 1) ByteStr(0 1) CStr(0 1) Byte(0) Char(0)
-    Int(0 1) Float(0 1) Bool(0) Err);
-spanless_eq_enum!(PatKind; Wild Ident(0 1 2) Struct(0 1 2 3) TupleStruct(0 1 2)
-    Or(0) Path(0 1) Tuple(0) Box(0) Ref(0 1) Lit(0) Range(0 1 2) Slice(0) Rest
-    Never Paren(0) MacCall(0));
-spanless_eq_enum!(TyKind; Slice(0) Array(0 1) Ptr(0) Ref(0 1) BareFn(0) Never
-    Tup(0) AnonStruct(0) AnonUnion(0) Path(0 1) TraitObject(0 1) ImplTrait(0 1)
-    Paren(0) Typeof(0) Infer ImplicitSelf MacCall(0) Err CVarArgs);
-
-impl SpanlessEq for Ident {
-    fn eq(&self, other: &Self) -> bool {
-        self.as_str() == other.as_str()
-    }
-}
-
-impl SpanlessEq for RangeSyntax {
-    fn eq(&self, _other: &Self) -> bool {
-        match self {
-            RangeSyntax::DotDotDot | RangeSyntax::DotDotEq => true,
-        }
-    }
-}
-
-impl SpanlessEq for Param {
-    fn eq(&self, other: &Self) -> bool {
-        let Param {
-            attrs,
-            ty,
-            pat,
-            id,
-            span: _,
-            is_placeholder,
-        } = self;
-        let Param {
-            attrs: attrs2,
-            ty: ty2,
-            pat: pat2,
-            id: id2,
-            span: _,
-            is_placeholder: is_placeholder2,
-        } = other;
-        SpanlessEq::eq(id, id2)
-            && SpanlessEq::eq(is_placeholder, is_placeholder2)
-            && (matches!(ty.kind, TyKind::Err)
-                || matches!(ty2.kind, TyKind::Err)
-                || SpanlessEq::eq(attrs, attrs2)
-                    && SpanlessEq::eq(ty, ty2)
-                    && SpanlessEq::eq(pat, pat2))
-    }
-}
-
-impl SpanlessEq for TokenKind {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (TokenKind::Literal(this), TokenKind::Literal(other)) => SpanlessEq::eq(this, other),
-            (TokenKind::DotDotEq | TokenKind::DotDotDot, _) => match other {
-                TokenKind::DotDotEq | TokenKind::DotDotDot => true,
-                _ => false,
-            },
-            (TokenKind::Interpolated(this), TokenKind::Interpolated(other)) => {
-                let (this, this_span) = this.as_ref();
-                let (other, other_span) = other.as_ref();
-                SpanlessEq::eq(this_span, other_span)
-                    && match (this, other) {
-                        (Nonterminal::NtExpr(this), Nonterminal::NtExpr(other)) => {
-                            SpanlessEq::eq(this, other)
-                        }
-                        _ => this == other,
-                    }
-            }
-            _ => self == other,
-        }
-    }
-}
-
-impl SpanlessEq for TokenStream {
-    fn eq(&self, other: &Self) -> bool {
-        let mut this_trees = self.trees();
-        let mut other_trees = other.trees();
-        loop {
-            let this = match this_trees.next() {
-                None => return other_trees.next().is_none(),
-                Some(tree) => tree,
-            };
-            let other = match other_trees.next() {
-                None => return false,
-                Some(tree) => tree,
-            };
-            if SpanlessEq::eq(this, other) {
-                continue;
-            }
-            if let (TokenTree::Token(this, _), TokenTree::Token(other, _)) = (this, other) {
-                if match (&this.kind, &other.kind) {
-                    (TokenKind::Literal(this), TokenKind::Literal(other)) => {
-                        SpanlessEq::eq(this, other)
-                    }
-                    (TokenKind::DocComment(_kind, style, symbol), TokenKind::Pound) => {
-                        doc_comment(*style, *symbol, &mut other_trees)
-                    }
-                    (TokenKind::Pound, TokenKind::DocComment(_kind, style, symbol)) => {
-                        doc_comment(*style, *symbol, &mut this_trees)
-                    }
-                    _ => false,
-                } {
-                    continue;
-                }
-            }
-            return false;
-        }
-    }
-}
-
-fn doc_comment<'a>(
-    style: AttrStyle,
-    unescaped: Symbol,
-    trees: &mut impl Iterator<Item = &'a TokenTree>,
-) -> bool {
-    if match style {
-        AttrStyle::Outer => false,
-        AttrStyle::Inner => true,
-    } {
-        match trees.next() {
-            Some(TokenTree::Token(
-                Token {
-                    kind: TokenKind::Not,
-                    span: _,
-                },
-                _spacing,
-            )) => {}
-            _ => return false,
-        }
-    }
-    let stream = match trees.next() {
-        Some(TokenTree::Delimited(_span, _spacing, Delimiter::Bracket, stream)) => stream,
-        _ => return false,
-    };
-    let mut trees = stream.trees();
-    match trees.next() {
-        Some(TokenTree::Token(
-            Token {
-                kind: TokenKind::Ident(symbol, false),
-                span: _,
-            },
-            _spacing,
-        )) if *symbol == sym::doc => {}
-        _ => return false,
-    }
-    match trees.next() {
-        Some(TokenTree::Token(
-            Token {
-                kind: TokenKind::Eq,
-                span: _,
-            },
-            _spacing,
-        )) => {}
-        _ => return false,
-    }
-    match trees.next() {
-        Some(TokenTree::Token(token, _spacing)) => {
-            is_escaped_literal_token(token, unescaped) && trees.next().is_none()
-        }
-        _ => false,
-    }
-}
-
-fn is_escaped_literal_token(token: &Token, unescaped: Symbol) -> bool {
-    match token {
-        Token {
-            kind: TokenKind::Literal(lit),
-            span: _,
-        } => match MetaItemLit::from_token_lit(*lit, DUMMY_SP) {
-            Ok(lit) => is_escaped_literal_meta_item_lit(&lit, unescaped),
-            Err(_) => false,
-        },
-        Token {
-            kind: TokenKind::Interpolated(nonterminal),
-            span: _,
-        } => match &nonterminal.0 {
-            Nonterminal::NtExpr(expr) => match &expr.kind {
-                ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped),
-                _ => false,
-            },
-            _ => false,
-        },
-        _ => false,
-    }
-}
-
-fn is_escaped_literal_attr_args(value: &AttrArgsEq, unescaped: Symbol) -> bool {
-    match value {
-        AttrArgsEq::Ast(expr) => match &expr.kind {
-            ExprKind::Lit(lit) => is_escaped_lit(lit, unescaped),
-            _ => false,
-        },
-        AttrArgsEq::Hir(lit) => is_escaped_literal_meta_item_lit(lit, unescaped),
-    }
-}
-
-fn is_escaped_literal_meta_item_lit(lit: &MetaItemLit, unescaped: Symbol) -> bool {
-    match lit {
-        MetaItemLit {
-            symbol: _,
-            suffix: None,
-            kind,
-            span: _,
-        } => is_escaped_lit_kind(kind, unescaped),
-        _ => false,
-    }
-}
-
-fn is_escaped_lit(lit: &Lit, unescaped: Symbol) -> bool {
-    match lit {
-        Lit {
-            kind: token::LitKind::Str,
-            symbol: _,
-            suffix: None,
-        } => match LitKind::from_token_lit(*lit) {
-            Ok(lit_kind) => is_escaped_lit_kind(&lit_kind, unescaped),
-            _ => false,
-        },
-        _ => false,
-    }
-}
-
-fn is_escaped_lit_kind(kind: &LitKind, unescaped: Symbol) -> bool {
-    match kind {
-        LitKind::Str(symbol, StrStyle::Cooked) => {
-            symbol.as_str().replace('\r', "") == unescaped.as_str().replace('\r', "")
-        }
-        _ => false,
-    }
-}
-
-impl SpanlessEq for LazyAttrTokenStream {
-    fn eq(&self, other: &Self) -> bool {
-        let this = self.to_attr_token_stream();
-        let other = other.to_attr_token_stream();
-        SpanlessEq::eq(&this, &other)
-    }
-}
-
-impl SpanlessEq for AttrKind {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (AttrKind::Normal(normal), AttrKind::Normal(normal2)) => {
-                SpanlessEq::eq(normal, normal2)
-            }
-            (AttrKind::DocComment(kind, symbol), AttrKind::DocComment(kind2, symbol2)) => {
-                SpanlessEq::eq(kind, kind2) && SpanlessEq::eq(symbol, symbol2)
-            }
-            (AttrKind::DocComment(kind, unescaped), AttrKind::Normal(normal2)) => {
-                match kind {
-                    CommentKind::Line | CommentKind::Block => {}
-                }
-                let path = Path::from_ident(Ident::with_dummy_span(sym::doc));
-                SpanlessEq::eq(&path, &normal2.item.path)
-                    && match &normal2.item.args {
-                        AttrArgs::Empty | AttrArgs::Delimited(_) => false,
-                        AttrArgs::Eq(_span, value) => {
-                            is_escaped_literal_attr_args(value, *unescaped)
-                        }
-                    }
-            }
-            (AttrKind::Normal(_), AttrKind::DocComment(..)) => SpanlessEq::eq(other, self),
-        }
-    }
-}
-
-impl SpanlessEq for FormatArguments {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(self.all_args(), other.all_args())
-    }
-}