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core: Add stability attributes to char::from_digit and from_u32

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For now we are preferring free functions for primitive ctors,
so they are marked 'unstable' pending final decision. The
methods on `Char` are 'deprecated'.
This commit is contained in:
Brian Anderson 2014-10-10 14:55:11 -07:00
parent f6607a20c4
commit 4dd1724576
1 changed files with 6 additions and 0 deletions
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6
src/libcore/char.rs
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@ -68,6 +68,7 @@ pub const MAX: char = '\U0010ffff';
/// Converts from `u32` to a `char`
#[inline]
#[unstable = "pending decisions about costructors for primitives"]
pub fn from_u32(i: u32) -> Option<char> {
// catch out-of-bounds and surrogates
if (i > MAX as u32) || (i >= 0xD800 && i <= 0xDFFF) {
@ -146,6 +147,7 @@ pub fn to_digit(c: char, radix: uint) -> Option<uint> {
/// Panics if given an `radix` > 36.
///
#[inline]
#[unstable = "pending decisions about costructors for primitives"]
pub fn from_digit(num: uint, radix: uint) -> Option<char> {
if radix > 36 {
panic!("from_digit: radix is to high (maximum 36)");
@ -286,9 +288,11 @@ pub trait Char {
/// # Panics
///
/// Panics if given a radix > 36.
#[deprecated = "use the char::from_digit free function"]
fn from_digit(num: uint, radix: uint) -> Option<Self>;
/// Converts from `u32` to a `char`
#[deprecated = "use the char::from_u32 free function"]
fn from_u32(i: u32) -> Option<char>;
/// Returns the hexadecimal Unicode escape of a character.
@ -351,9 +355,11 @@ impl Char for char {
fn to_digit(&self, radix: uint) -> Option<uint> { to_digit(*self, radix) }
#[deprecated = "use the char::from_digit free function"]
fn from_digit(num: uint, radix: uint) -> Option<char> { from_digit(num, radix) }
#[inline]
#[deprecated = "use the char::from_u32 free function"]
fn from_u32(i: u32) -> Option<char> { from_u32(i) }
fn escape_unicode(&self, f: |char|) { escape_unicode(*self, f) }