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Buffer

alloc::io::buffered::bufreader::buffer

Struct Buffer 

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pub(super) struct Buffer {
    buf: Box<[MaybeUninit<u8>]>,
    pos: usize,
    filled: usize,
    initialized: bool,
}
🔬This is a nightly-only experimental API. (alloc_io #154046)

Fields§

§buf: Box<[MaybeUninit<u8>]>
🔬This is a nightly-only experimental API. (alloc_io #154046)
§pos: usize
🔬This is a nightly-only experimental API. (alloc_io #154046)
§filled: usize
🔬This is a nightly-only experimental API. (alloc_io #154046)
§initialized: bool
🔬This is a nightly-only experimental API. (alloc_io #154046)

Implementations§

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impl Buffer

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pub(super) fn with_capacity(capacity: usize) -> Self

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn try_with_capacity(capacity: usize) -> Result<Self>

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn buffer(&self) -> &[u8] ⓘ

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn capacity(&self) -> usize

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn filled(&self) -> usize

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn pos(&self) -> usize

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn initialized(&self) -> bool

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn discard_buffer(&mut self)

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn consume(&mut self, amt: usize)

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn consume_with<V>(&mut self, amt: usize, visitor: V) -> bool
where V: FnMut(&[u8]),

🔬This is a nightly-only experimental API. (alloc_io #154046)

If there are amt bytes available in the buffer, pass a slice containing those bytes to visitor and return true. If there are not enough bytes available, return false.

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pub(super) fn unconsume(&mut self, amt: usize)

🔬This is a nightly-only experimental API. (alloc_io #154046)
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pub(super) fn read_more(&mut self, reader: impl Read) -> Result<usize>

🔬This is a nightly-only experimental API. (alloc_io #154046)

Read more bytes into the buffer without discarding any of its contents

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pub(super) fn backshift(&mut self)

🔬This is a nightly-only experimental API. (alloc_io #154046)

Remove bytes that have already been read from the buffer.

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pub(super) fn fill_buf(&mut self, reader: impl Read) -> Result<&[u8]>

🔬This is a nightly-only experimental API. (alloc_io #154046)

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> SizeHint for T
where T: ?Sized,

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default fn lower_bound(&self) -> usize

🔬This is a nightly-only experimental API. (core_io_internals)
Returns a lower bound on the number of elements this container-like item contains. For example, an array [u8; 12] could return any value between 0 and 12 inclusively as a correct implementation. Read more
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default fn upper_bound(&self) -> Option<usize>

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an upper bound on the number of elements this container-like item contains if it can be determined, otherwise None. Read more
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final fn size_hint(&self) -> (usize, Option<usize>)

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an estimate for the number of elements this container like type contains. Read more
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impl<T> SizedTypeProperties for T

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#[doc(hidden)]
const SIZE: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGNMENT: Alignment = _

🔬This is a nightly-only experimental API. (ptr_alignment_type #102070)
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#[doc(hidden)]
const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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#[doc(hidden)]
const LAYOUT: Layout = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const MAX_SLICE_LEN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
The largest safe length for a [Self]. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.