Stabilize TryFrom and TryInto

6 files changed, 23 insertions, 26 deletions

diff --git a/src/libcore/array.rs b/src/libcore/array.rs
index 3a27a39af4a..9c6ecc43502 100644
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -49,7 +49,7 @@ unsafe impl<T, A: Unsize<[T]>> FixedSizeArray<T> for A {
 }
 
 /// The error type returned when a conversion from a slice to an array fails.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 #[derive(Debug, Copy, Clone)]
 pub struct TryFromSliceError(());
 
@@ -138,7 +138,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a [T]> for [T; $N] where T: Copy {
                 type Error = TryFromSliceError;
 
@@ -147,7 +147,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a [T]> for &'a [T; $N] {
                 type Error = TryFromSliceError;
 
@@ -161,7 +161,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a mut [T]> for &'a mut [T; $N] {
                 type Error = TryFromSliceError;
 
diff --git a/src/libcore/char/convert.rs b/src/libcore/char/convert.rs
index 4a1a236b669..6a5abfb408f 100644
--- a/src/libcore/char/convert.rs
+++ b/src/libcore/char/convert.rs
@@ -218,7 +218,7 @@ impl FromStr for char {
 }
 
 
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl TryFrom<u32> for char {
     type Error = CharTryFromError;
 
@@ -233,11 +233,11 @@ impl TryFrom<u32> for char {
 }
 
 /// The error type returned when a conversion from u32 to char fails.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub struct CharTryFromError(());
 
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl fmt::Display for CharTryFromError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         "converted integer out of range for `char`".fmt(f)
diff --git a/src/libcore/char/mod.rs b/src/libcore/char/mod.rs
index 15e153bdfad..f3369c4d940 100644
--- a/src/libcore/char/mod.rs
+++ b/src/libcore/char/mod.rs
@@ -30,7 +30,7 @@ pub use self::convert::{from_u32, from_digit};
 pub use self::convert::from_u32_unchecked;
 #[stable(feature = "char_from_str", since = "1.20.0")]
 pub use self::convert::ParseCharError;
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 pub use self::convert::CharTryFromError;
 #[stable(feature = "decode_utf16", since = "1.9.0")]
 pub use self::decode::{decode_utf16, DecodeUtf16, DecodeUtf16Error};
diff --git a/src/libcore/convert.rs b/src/libcore/convert.rs
index 06344ed5ff7..65aa91e2dab 100644
--- a/src/libcore/convert.rs
+++ b/src/libcore/convert.rs
@@ -370,22 +370,26 @@ pub trait From<T>: Sized {
 ///
 /// [`TryFrom`]: trait.TryFrom.html
 /// [`Into`]: trait.Into.html
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 pub trait TryInto<T>: Sized {
     /// The type returned in the event of a conversion error.
+    #[stable(feature = "try_from", since = "1.34.0")]
     type Error;
 
     /// Performs the conversion.
+    #[stable(feature = "try_from", since = "1.34.0")]
     fn try_into(self) -> Result<T, Self::Error>;
 }
 
 /// Attempt to construct `Self` via a conversion.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 pub trait TryFrom<T>: Sized {
     /// The type returned in the event of a conversion error.
+    #[stable(feature = "try_from", since = "1.34.0")]
     type Error;
 
     /// Performs the conversion.
+    #[stable(feature = "try_from", since = "1.34.0")]
     fn try_from(value: T) -> Result<Self, Self::Error>;
 }
 
@@ -453,7 +457,7 @@ impl<T> From<T> for T {
 
 
 // TryFrom implies TryInto
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl<T, U> TryInto<U> for T where U: TryFrom<T>
 {
     type Error = U::Error;
@@ -465,7 +469,7 @@ impl<T, U> TryInto<U> for T where U: TryFrom<T>
 
 // Infallible conversions are semantically equivalent to fallible conversions
 // with an uninhabited error type.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl<T, U> TryFrom<U> for T where U: Into<T> {
     type Error = Infallible;
 
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index ae7f1fe98c9..ffd9e4a5cab 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -2004,7 +2004,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -2036,7 +2035,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -2078,7 +2076,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -3771,7 +3768,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -3803,7 +3799,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -3845,7 +3840,6 @@ assert_eq!(value, ", $swap_op, ");
 When starting from a slice rather than an array, fallible conversion APIs can be used:
 
 ```
-#![feature(try_from)]
 use std::convert::TryInto;
 
 fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
@@ -4508,7 +4502,7 @@ macro_rules! from_str_radix_int_impl {
 from_str_radix_int_impl! { isize i8 i16 i32 i64 i128 usize u8 u16 u32 u64 u128 }
 
 /// The error type returned when a checked integral type conversion fails.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub struct TryFromIntError(());
 
@@ -4523,14 +4517,14 @@ impl TryFromIntError {
     }
 }
 
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl fmt::Display for TryFromIntError {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         self.__description().fmt(fmt)
     }
 }
 
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 impl From<Infallible> for TryFromIntError {
     fn from(x: Infallible) -> TryFromIntError {
         match x {}
@@ -4550,7 +4544,7 @@ impl From<!> for TryFromIntError {
 // no possible bounds violation
 macro_rules! try_from_unbounded {
     ($source:ty, $($target:ty),*) => {$(
-        #[unstable(feature = "try_from", issue = "33417")]
+        #[stable(feature = "try_from", since = "1.34.0")]
         impl TryFrom<$source> for $target {
             type Error = TryFromIntError;
 
@@ -4565,7 +4559,7 @@ macro_rules! try_from_unbounded {
 // only negative bounds
 macro_rules! try_from_lower_bounded {
     ($source:ty, $($target:ty),*) => {$(
-        #[unstable(feature = "try_from", issue = "33417")]
+        #[stable(feature = "try_from", since = "1.34.0")]
         impl TryFrom<$source> for $target {
             type Error = TryFromIntError;
 
@@ -4584,7 +4578,7 @@ macro_rules! try_from_lower_bounded {
 // unsigned to signed (only positive bound)
 macro_rules! try_from_upper_bounded {
     ($source:ty, $($target:ty),*) => {$(
-        #[unstable(feature = "try_from", issue = "33417")]
+        #[stable(feature = "try_from", since = "1.34.0")]
         impl TryFrom<$source> for $target {
             type Error = TryFromIntError;
 
@@ -4603,7 +4597,7 @@ macro_rules! try_from_upper_bounded {
 // all other cases
 macro_rules! try_from_both_bounded {
     ($source:ty, $($target:ty),*) => {$(
-        #[unstable(feature = "try_from", issue = "33417")]
+        #[stable(feature = "try_from", since = "1.34.0")]
         impl TryFrom<$source> for $target {
             type Error = TryFromIntError;
 
diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index 3e8549f8ae3..06df75b1ee8 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -27,7 +27,6 @@
 #![feature(str_internals)]
 #![feature(test)]
 #![feature(trusted_len)]
-#![feature(try_from)]
 #![feature(try_trait)]
 #![feature(align_offset)]
 #![feature(reverse_bits)]