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Auto merge of #42854 - razielgn:relaxed-debug-constraints-on-maps-iterators, r=sfackler

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Relaxed Debug constraints on {HashMap,BTreeMap}::{Keys,Values}.

I has hit by this yesterday too. 😄
And I've realised that Debug for BTreeMap::{Keys,Values} wasn't formatting just keys and values respectively, but the whole map. 🤔

Fixed #41924

r? @jonhoo
This commit is contained in:
bors 2017-06-24 09:32:20 +00:00
commit 7e76505e01
2 changed files with 6 additions and 6 deletions
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8
src/liballoc/btree/map.rs
View File

@ -334,9 +334,9 @@ pub struct Keys<'a, K: 'a, V: 'a> {
}
#[stable(feature = "collection_debug", since = "1.17.0")]
impl<'a, K: 'a + fmt::Debug, V: 'a + fmt::Debug> fmt::Debug for Keys<'a, K, V> {
impl<'a, K: 'a + fmt::Debug, V: 'a> fmt::Debug for Keys<'a, K, V> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list().entries(self.inner.clone()).finish()
f.debug_list().entries(self.clone()).finish()
}
}
@ -353,9 +353,9 @@ pub struct Values<'a, K: 'a, V: 'a> {
}
#[stable(feature = "collection_debug", since = "1.17.0")]
impl<'a, K: 'a + fmt::Debug, V: 'a + fmt::Debug> fmt::Debug for Values<'a, K, V> {
impl<'a, K: 'a, V: 'a + fmt::Debug> fmt::Debug for Values<'a, K, V> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list().entries(self.inner.clone()).finish()
f.debug_list().entries(self.clone()).finish()
}
}

4
src/libstd/collections/hash/map.rs
View File

@ -1407,7 +1407,7 @@ impl<'a, K, V> Clone for Keys<'a, K, V> {
}
#[stable(feature = "std_debug", since = "1.16.0")]
impl<'a, K: Debug, V: Debug> fmt::Debug for Keys<'a, K, V> {
impl<'a, K: Debug, V> fmt::Debug for Keys<'a, K, V> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list()
.entries(self.clone())
@ -1436,7 +1436,7 @@ impl<'a, K, V> Clone for Values<'a, K, V> {
}
#[stable(feature = "std_debug", since = "1.16.0")]
impl<'a, K: Debug, V: Debug> fmt::Debug for Values<'a, K, V> {
impl<'a, K, V: Debug> fmt::Debug for Values<'a, K, V> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_list()
.entries(self.clone())