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termcolor: add ?Sized bound for &mut T impl

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This commit is contained in:
Markus Westerlind 2018-02-20 13:13:37 +01:00 committed by Andrew Gallant
parent c78ab9e669
commit 597bf04a56
1 changed files with 1 additions and 1 deletions
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2
termcolor/src/lib.rs
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@ -104,7 +104,7 @@ pub trait WriteColor: io::Write {
fn reset(&mut self) -> io::Result<()>;
}
impl<'a, T: WriteColor> WriteColor for &'a mut T {
impl<'a, T: ?Sized + WriteColor> WriteColor for &'a mut T {
fn supports_color(&self) -> bool { (&**self).supports_color() }
fn set_color(&mut self, spec: &ColorSpec) -> io::Result<()> {
(&mut **self).set_color(spec)