diff options
Diffstat (limited to 'library/std/src/io/mod.rs')
| -rw-r--r-- | library/std/src/io/mod.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index abe29ba0f7c..f421185c2c5 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -1310,6 +1310,7 @@ pub struct Initializer(bool); impl Initializer { /// Returns a new `Initializer` which will zero out buffers. #[unstable(feature = "read_initializer", issue = "42788")] + #[must_use] #[inline] pub fn zeroing() -> Initializer { Initializer(true) @@ -1324,6 +1325,7 @@ impl Initializer { /// the method accurately reflects the number of bytes that have been /// written to the head of the buffer. #[unstable(feature = "read_initializer", issue = "42788")] + #[must_use] #[inline] pub unsafe fn nop() -> Initializer { Initializer(false) @@ -1331,6 +1333,7 @@ impl Initializer { /// Indicates if a buffer should be initialized. #[unstable(feature = "read_initializer", issue = "42788")] + #[must_use] #[inline] pub fn should_initialize(&self) -> bool { self.0 |