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This commit is contained in:
Jane Losare-Lusby 2022-07-11 19:18:56 +00:00
parent e3839ccc83
commit 655d6e82e3
1 changed files with 8 additions and 7 deletions
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15
library/std/src/error.rs
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@ -365,7 +365,8 @@ pub trait Error: Debug + Display {
/// }
/// ```
#[unstable(feature = "error_generic_member_access", issue = "none")]
fn provide<'a>(&'a self, _req: &mut Demand<'a>) {}
#[allow(unused_variables)]
fn provide<'a>(&'a self, req: &mut Demand<'a>) {}
}
#[unstable(feature = "error_generic_member_access", issue = "none")]
@ -910,13 +911,13 @@ impl dyn Error + 'static {
}
}
/// Request a reference to context of type `T`.
/// Request a reference of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_ref<T: ?Sized + 'static>(&self) -> Option<&T> {
core::any::request_ref(self)
}
/// Request a value to context of type `T`.
/// Request a value of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_value<T: 'static>(&self) -> Option<T> {
core::any::request_value(self)
@ -945,13 +946,13 @@ impl dyn Error + 'static + Send {
<dyn Error + 'static>::downcast_mut::<T>(self)
}
/// Request a reference to context of type `T`.
/// Request a reference of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_ref<T: ?Sized + 'static>(&self) -> Option<&T> {
<dyn Error + 'static>::request_ref(self)
}
/// Request a value to context of type `T`.
/// Request a value of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_value<T: 'static>(&self) -> Option<T> {
<dyn Error + 'static>::request_value(self)
@ -980,13 +981,13 @@ impl dyn Error + 'static + Send + Sync {
<dyn Error + 'static>::downcast_mut::<T>(self)
}
/// Request a reference to context of type `T`.
/// Request a reference of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_ref<T: ?Sized + 'static>(&self) -> Option<&T> {
<dyn Error + 'static>::request_ref(self)
}
/// Request a value to context of type `T`.
/// Request a value of type `T` as context about this error.
#[unstable(feature = "error_generic_member_access", issue = "none")]
pub fn request_value<T: 'static>(&self) -> Option<T> {
<dyn Error + 'static>::request_value(self)