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Added Mul for ~str #7937

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Added Mul for ~str #7937

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d67bd6d
Added Mul for ~str
MaikKlein Jul 21, 2013
5bafa45
Adding Mul to &str, @str and ~str
MaikKlein Jul 21, 2013
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33 changes: 32 additions & 1 deletion src/libstd/str.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1037,11 +1037,28 @@ pub mod raw {

}


#[cfg(not(test))]
pub mod traits {
use ops::Add;
use ops::{Add,Mul};
use cmp::{TotalOrd, Ordering, Less, Equal, Greater, Eq, Ord, Equiv, TotalEq};
use super::{Str, eq_slice};

impl Mul<uint,~str> for ~str {
fn mul(&self,repeat: &uint) -> ~str{
self.repeat(*repeat)
}
}
impl Mul<uint,@str> for @str {
fn mul(&self,repeat: &uint) -> @str{
self.repeat(*repeat).to_managed()
}
}
impl<'self> Mul<uint,~str> for &'self str {
fn mul(&self,repeat: &uint) -> ~str{
self.repeat(*repeat)
}
}

impl<'self> Add<&'self str,~str> for &'self str {
#[inline]
Expand Down Expand Up @@ -2362,6 +2379,20 @@ mod tests {
use vec::{ImmutableVector, CopyableVector};
use cmp::{TotalOrd, Less, Equal, Greater};

#[test]
fn test_repeat_string() {
assert_eq!(@"foo" * 1 , @"foo");
assert_eq!(@"foo" * 0 , @"");
assert_eq!(@"foo" * 2 , @"foofoo");

assert_eq!(~"foo" * 1,~"foo");
assert_eq!(~"foo" * 0, ~"");
assert_eq!(~"foo" * 2, ~"foofoo");

assert_eq!("foo" * 1, ~"foo");
assert_eq!("foo" * 0, ~"");
assert_eq!("foo" * 2, ~"foofoo");
}
#[test]
fn test_eq() {
assert!((eq(&~"", &~"")));
Expand Down