diff options
Diffstat (limited to 'vendor/clap/src/parser/matches/any_value.rs')
-rw-r--r-- | vendor/clap/src/parser/matches/any_value.rs | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/vendor/clap/src/parser/matches/any_value.rs b/vendor/clap/src/parser/matches/any_value.rs deleted file mode 100644 index dc7a3e953..000000000 --- a/vendor/clap/src/parser/matches/any_value.rs +++ /dev/null @@ -1,112 +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> { - self.type_id.partial_cmp(&other.type_id) - } -} - -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 }"); - } -} |