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BufReader: Clarify comment that makes a subtly wrong implication. #155316

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BufReader: Clarify comment that makes a subtly wrong implication. #155316

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2 changes: 1 addition & 1 deletion library/std/src/io/buffered/bufreader/buffer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ pub struct Buffer {
buf: Box<[MaybeUninit<u8>]>,
// The current seek offset into `buf`, must always be <= `filled`.
pos: usize,
// Each call to `fill_buf` sets `filled` to indicate how many bytes at the start of `buf` are
// Each write into `buf` sets `filled` to indicate how many bytes at the start of `buf` are
// initialized with bytes from a read.
filled: usize,
// This is the max number of bytes returned across all `fill_buf` calls. We track this so that we
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