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Add back lower_bound as memeber

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Xavientois 2021-01-15 19:29:49 -05:00
parent eea99f491b
commit 7e56637c74
1 changed files with 2 additions and 0 deletions
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2
library/std/src/io/mod.rs
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@ -2481,6 +2481,8 @@ impl<R: Read + SizeHint> Iterator for Bytes<R> {
#[stable(feature = "bufreader_size_hint", since = "1.51.0")]
trait SizeHint {
fn lower_bound(&self) -> usize {
fn upper_bound(&self) -> Option<usize> {
None
}