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Only print values in the Debug of HashMap::ValuesMut struct

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Nazım Can Altınova 2020-08-10 17:47:40 +02:00
parent a313abe3ba
commit 456738e3d1
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1 changed files with 2 additions and 6 deletions
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8
library/std/src/collections/hash/map.rs
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@ -1885,13 +1885,9 @@ impl<K, V> ExactSizeIterator for ValuesMut<'_, K, V> {
impl<K, V> FusedIterator for ValuesMut<'_, K, V> {}
#[stable(feature = "std_debug", since = "1.16.0")]
impl<K, V> fmt::Debug for ValuesMut<'_, K, V>
where
K: fmt::Debug,
V: fmt::Debug,
{
impl<K, V: fmt::Debug> fmt::Debug for ValuesMut<'_, K, V> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_list().entries(self.inner.iter()).finish()
f.debug_list().entries(self.inner.iter().map(|(_, val)| val)).finish()
}
}