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Mention UFCS sadness in instability messages

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This commit is contained in:
Steven Fackler
2015-05-28 10:34:40 -07:00
parent f65ba38cc4
commit aebf331431
1 changed files with 6 additions and 3 deletions
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9
src/libstd/io/error.rs
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@@ -187,7 +187,8 @@ impl Error {
///
/// If this `Error` was constructed via `new` then this function will
/// return `Some`, otherwise it will return `None`.
#[unstable(feature = "io_error_inner", reason = "recently added")]
#[unstable(feature = "io_error_inner",
reason = "recently added and requires UFCS to downcast")]
pub fn get_ref(&self) -> Option<&(error::Error+Send+Sync+'static)> {
match self.repr {
Repr::Os(..) => None,
@@ -200,7 +201,8 @@ impl Error {
///
/// If this `Error` was constructed via `new` then this function will
/// return `Some`, otherwise it will return `None`.
#[unstable(feature = "io_error_inner", reason = "recently added")]
#[unstable(feature = "io_error_inner",
reason = "recently added and requires UFCS to downcast")]
pub fn get_mut(&mut self) -> Option<&mut (error::Error+Send+Sync+'static)> {
match self.repr {
Repr::Os(..) => None,
@@ -212,7 +214,8 @@ impl Error {
///
/// If this `Error` was constructed via `new` then this function will
/// return `Some`, otherwise it will return `None`.
#[unstable(feature = "io_error_inner", reason = "recently added")]
#[unstable(feature = "io_error_inner",
reason = "recently added and requires UFCS to downcast")]
pub fn into_inner(self) -> Option<Box<error::Error+Send+Sync>> {
match self.repr {
Repr::Os(..) => None,