From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 vendor/clap_derive/src/utils/error.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 vendor/clap_derive/src/utils/error.rs

(limited to 'vendor/clap_derive/src/utils/error.rs')

diff --git a/vendor/clap_derive/src/utils/error.rs b/vendor/clap_derive/src/utils/error.rs
new file mode 100644
index 0000000..276e349
--- /dev/null
+++ b/vendor/clap_derive/src/utils/error.rs
@@ -0,0 +1,22 @@
+pub trait SpanError {
+    #[allow(non_snake_case)]
+    fn EXPECTED_Span_OR_ToTokens<D: std::fmt::Display>(&self, msg: D) -> syn::Error;
+}
+
+pub trait ToTokensError {
+    #[allow(non_snake_case)]
+    fn EXPECTED_Span_OR_ToTokens<D: std::fmt::Display>(&self, msg: D) -> syn::Error;
+}
+
+impl<T: quote::ToTokens> ToTokensError for T {
+    fn EXPECTED_Span_OR_ToTokens<D: std::fmt::Display>(&self, msg: D) -> syn::Error {
+        // Curb monomorphization from generating too many identical `new_spanned`.
+        syn::Error::new_spanned(self.to_token_stream(), msg)
+    }
+}
+
+impl SpanError for proc_macro2::Span {
+    fn EXPECTED_Span_OR_ToTokens<D: std::fmt::Display>(&self, msg: D) -> syn::Error {
+        syn::Error::new(*self, msg)
+    }
+}
-- 
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