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Remove impls for cases considered niche

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This commit is contained in:
Alexander Bulaev 2015-11-12 10:40:02 +03:00
parent fcc79f2d60
commit 8ce9c19b5b
2 changed files with 0 additions and 29 deletions
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15
src/liballoc/arc.rs
View File

@ -902,16 +902,8 @@ impl<T> From<T> for Arc<T> {
}
}
#[stable(feature = "rust1", since = "1.6.0")]
impl<T> From<Box<T>> for Arc<T> {
fn from(t: Box<T>) -> Self {
Arc::new(*t)
}
}
#[cfg(test)]
mod tests {
use std::boxed::Box;
use std::clone::Clone;
use std::sync::mpsc::channel;
use std::mem::drop;
@ -1161,13 +1153,6 @@ mod tests {
let foo_arc = Arc::from(foo);
assert!(123 == *foo_arc);
}
#[test]
fn test_from_box() {
let foo_box = Box::new(123);
let foo_arc = Arc::from(foo_box);
assert!(123 == *foo_arc);
}
}
impl<T: ?Sized> borrow::Borrow<T> for Arc<T> {

14
src/liballoc/rc.rs
View File

@ -706,13 +706,6 @@ impl<T> From<T> for Rc<T> {
}
}
#[stable(feature = "rust1", since = "1.6.0")]
impl<T> From<Box<T>> for Rc<T> {
fn from(t: Box<T>) -> Self {
Rc::new(*t)
}
}
/// A weak version of `Rc<T>`.
///
/// Weak references do not count when determining if the inner value should be
@ -1128,13 +1121,6 @@ mod tests {
let foo_rc = Rc::from(foo);
assert!(123 == *foo_rc);
}
#[test]
fn test_from_box() {
let foo_box = Box::new(123);
let foo_rc = Rc::from(foo_box);
assert!(123 == *foo_rc);
}
}
impl<T: ?Sized> borrow::Borrow<T> for Rc<T> {