Struct std::io::Empty1.0.0 [] [src]

pub struct Empty { /* fields omitted */ }

A reader which is always at EOF.

This struct is generally created by calling empty. Please see the documentation of empty() for more details.

Trait Implementations

impl Read for Empty
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Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more

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🔬 This is a nightly-only experimental API. (read_initializer #42788)

Determines if this Reader can work with buffers of uninitialized memory. Read more

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Read all bytes until EOF in this source, placing them into buf. Read more

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Read all bytes until EOF in this source, appending them to buf. Read more

1.6.0
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Read the exact number of bytes required to fill buf. Read more

Important traits for &'a mut I
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Creates a "by reference" adaptor for this instance of Read. Read more

Important traits for Bytes<R>
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Transforms this Read instance to an [Iterator] over its bytes. Read more

Important traits for Chars<R>
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🔬 This is a nightly-only experimental API. (io #27802)

the semantics of a partial read/write of where errors happen is currently unclear and may change

Transforms this Read instance to an [Iterator] over [char]s. Read more

Important traits for Chain<T, U>
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Creates an adaptor which will chain this stream with another. Read more

Important traits for Take<T>
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Creates an adaptor which will read at most limit bytes from it. Read more

impl BufRead for Empty
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Fills the internal buffer of this object, returning the buffer contents. Read more

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Tells this buffer that amt bytes have been consumed from the buffer, so they should no longer be returned in calls to read. Read more

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Read all bytes into buf until the delimiter byte or EOF is reached. Read more

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Read all bytes until a newline (the 0xA byte) is reached, and append them to the provided buffer. Read more

Important traits for Split<B>
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Returns an iterator over the contents of this reader split on the byte byte. Read more

Important traits for Lines<B>
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Returns an iterator over the lines of this reader. Read more

impl Debug for Empty
1.16.0
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Formats the value using the given formatter. Read more