Struct Limit 

pub struct Limit<R> { /* private fields */ }

Limit the number of bytes that can be read out of a reader to the specified limit.

Constructed through Reader::limit.

Implementations

impl<R> Limit<R>

pub fn remaining(&self) -> usize

Get the remaining data in the limited reader.

Trait Implementations

impl<'de, R> Reader<'de> for Limit<R>

where R: Reader<'de>,

type Error = <R as Reader<'de>>::Error

Error type raised by the current reader.

type Mut<'this> = &'this mut Limit<R> where Limit<R>: 'this

Type borrowed from self.

fn borrow_mut(&mut self) -> <Limit<R> as Reader<'de>>::Mut<'_>

Borrow the current reader.

fn skip<C>(&mut self, cx: &mut C, n: usize) -> Result<(), <C as Context>::Error>

where C: Context<Input = <Limit<R> as Reader<'de>>::Error>,

Skip over the given number of bytes.

fn read_bytes<C, V>( &mut self, cx: &mut C, n: usize, visitor: V, ) -> Result<<V as ValueVisitor<'de, C, [u8]>>::Ok, <C as Context>::Error>

where C: Context, <C as Context>::Input: From<<Limit<R> as Reader<'de>>::Error>, V: ValueVisitor<'de, C, [u8]>,

Read a slice out of the current reader.

fn peek<C>(&mut self, cx: &mut C) -> Result<Option<u8>, <C as Context>::Error>

where C: Context<Input = <Limit<R> as Reader<'de>>::Error>,

Peek the next value.

fn read<C>( &mut self, cx: &mut C, buf: &mut [u8], ) -> Result<(), <C as Context>::Error>

where C: Context<Input = <Limit<R> as Reader<'de>>::Error>,

Read a slice into the given buffer.

fn read_byte<C>(&mut self, cx: &mut C) -> Result<u8, <C as Context>::Error>

where C: Context<Input = <Limit<R> as Reader<'de>>::Error>,

Read a single byte.

fn read_array<C, const N: usize>( &mut self, cx: &mut C, ) -> Result<[u8; N], <C as Context>::Error>

where C: Context<Input = <Limit<R> as Reader<'de>>::Error>,

Read an array out of the current reader.

fn limit(self, limit: usize) -> Limit<Self>

where Self: Sized,

Keep an accurate record of the position within the reader.