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path: root/vendor/clap_builder/src/util/any_value.rs
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Diffstat (limited to 'vendor/clap_builder/src/util/any_value.rs')
-rw-r--r--vendor/clap_builder/src/util/any_value.rs127
1 files changed, 0 insertions, 127 deletions
diff --git a/vendor/clap_builder/src/util/any_value.rs b/vendor/clap_builder/src/util/any_value.rs
deleted file mode 100644
index 19aa82b..0000000
--- a/vendor/clap_builder/src/util/any_value.rs
+++ /dev/null
@@ -1,127 +0,0 @@
-#[derive(Clone)]
-pub(crate) struct AnyValue {
- inner: std::sync::Arc<dyn std::any::Any + Send + Sync + 'static>,
- // While we can extract `TypeId` from `inner`, the debug repr is of a number, so let's track
- // the type_name in debug builds.
- id: AnyValueId,
-}
-
-impl AnyValue {
- pub(crate) fn new<V: std::any::Any + Clone + Send + Sync + 'static>(inner: V) -> Self {
- let id = AnyValueId::of::<V>();
- let inner = std::sync::Arc::new(inner);
- Self { inner, id }
- }
-
- pub(crate) fn downcast_ref<T: std::any::Any + Clone + Send + Sync + 'static>(
- &self,
- ) -> Option<&T> {
- self.inner.downcast_ref::<T>()
- }
-
- pub(crate) fn downcast_into<T: std::any::Any + Clone + Send + Sync>(self) -> Result<T, Self> {
- let id = self.id;
- let value =
- ok!(std::sync::Arc::downcast::<T>(self.inner).map_err(|inner| Self { inner, id }));
- let value = std::sync::Arc::try_unwrap(value).unwrap_or_else(|arc| (*arc).clone());
- Ok(value)
- }
-
- pub(crate) fn type_id(&self) -> AnyValueId {
- self.id
- }
-}
-
-impl std::fmt::Debug for AnyValue {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
- f.debug_struct("AnyValue").field("inner", &self.id).finish()
- }
-}
-
-#[derive(Copy, Clone)]
-pub struct AnyValueId {
- type_id: std::any::TypeId,
- #[cfg(debug_assertions)]
- type_name: &'static str,
-}
-
-impl AnyValueId {
- pub(crate) fn of<A: ?Sized + 'static>() -> Self {
- Self {
- type_id: std::any::TypeId::of::<A>(),
- #[cfg(debug_assertions)]
- type_name: std::any::type_name::<A>(),
- }
- }
-}
-
-impl PartialEq for AnyValueId {
- fn eq(&self, other: &Self) -> bool {
- self.type_id == other.type_id
- }
-}
-
-impl Eq for AnyValueId {}
-
-impl PartialOrd for AnyValueId {
- fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
- Some(self.cmp(other))
- }
-}
-
-impl PartialEq<std::any::TypeId> for AnyValueId {
- fn eq(&self, other: &std::any::TypeId) -> bool {
- self.type_id == *other
- }
-}
-
-impl Ord for AnyValueId {
- fn cmp(&self, other: &Self) -> std::cmp::Ordering {
- self.type_id.cmp(&other.type_id)
- }
-}
-
-impl std::hash::Hash for AnyValueId {
- fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
- self.type_id.hash(state);
- }
-}
-
-impl std::fmt::Debug for AnyValueId {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
- #[cfg(not(debug_assertions))]
- {
- self.type_id.fmt(f)
- }
- #[cfg(debug_assertions)]
- {
- f.debug_struct(self.type_name).finish()
- }
- }
-}
-
-impl<'a, A: ?Sized + 'static> From<&'a A> for AnyValueId {
- fn from(_: &'a A) -> Self {
- Self::of::<A>()
- }
-}
-
-#[cfg(test)]
-mod test {
- #[test]
- #[cfg(debug_assertions)]
- fn debug_impl() {
- use super::*;
-
- assert_eq!(format!("{:?}", AnyValue::new(5)), "AnyValue { inner: i32 }");
- }
-
- #[test]
- fn eq_to_type_id() {
- use super::*;
-
- let any_value_id = AnyValueId::of::<i32>();
- let type_id = std::any::TypeId::of::<i32>();
- assert_eq!(any_value_id, type_id);
- }
-}