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libcore: Make to_upper() and to_lower() pure

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This commit is contained in:
Patrick Walton 2012-09-05 20:55:28 -07:00
parent d155410674
commit f6d50d866a
1 changed files with 4 additions and 4 deletions
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8
src/libcore/str.rs
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@ -2160,8 +2160,8 @@ trait StrSlice {
fn split_str(sep: &a/str) -> ~[~str];
fn starts_with(needle: &a/str) -> bool;
fn substr(begin: uint, n: uint) -> ~str;
fn to_lower() -> ~str;
fn to_upper() -> ~str;
pure fn to_lower() -> ~str;
pure fn to_upper() -> ~str;
fn escape_default() -> ~str;
fn escape_unicode() -> ~str;
pure fn to_unique() -> ~str;
@ -2262,10 +2262,10 @@ impl &str: StrSlice {
fn substr(begin: uint, n: uint) -> ~str { substr(self, begin, n) }
/// Convert a string to lowercase
#[inline]
fn to_lower() -> ~str { to_lower(self) }
pure fn to_lower() -> ~str { to_lower(self) }
/// Convert a string to uppercase
#[inline]
fn to_upper() -> ~str { to_upper(self) }
pure fn to_upper() -> ~str { to_upper(self) }
/// Escape each char in `s` with char::escape_default.
#[inline]
fn escape_default() -> ~str { escape_default(self) }