seek.rs.html -- source

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regex

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rustc_serialize

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ryu

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ser

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serde_yaml

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slab

socket2

sys

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syn

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time

display.rs duration.rs lib.rs parse.rs sys.rs

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io

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macros

cfg.rs join.rs loom.rs mod.rs pin.rs ready.rs scoped_tls.rs select.rs support.rs thread_local.rs try_join.rs

net

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park

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sync

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time

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wheel

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clock.rs delay.rs delay_queue.rs error.rs instant.rs interval.rs mod.rs throttle.rs timeout.rs

util

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addr.rs entry.rs generation.rs mod.rs page.rs shard.rs slot.rs stack.rs

bit.rs intrusive_double_linked_list.rs linked_list.rs mod.rs rand.rs trace.rs wake.rs

coop.rs lib.rs prelude.rs

tokio_macros

entry.rs lib.rs select.rs

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tower_service

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tracing_core

callsite.rs dispatcher.rs event.rs field.rs lib.rs metadata.rs parent.rs span.rs stdlib.rs subscriber.rs

tracing_futures

executor

lib.rs stdlib.rs

try_lock

unicase

unicode

ascii.rs lib.rs

unicode_bidi

char_data

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deprecated.rs explicit.rs format_chars.rs implicit.rs level.rs lib.rs prepare.rs

unicode_normalization

__test_api.rs decompose.rs lib.rs lookups.rs no_std_prelude.rs normalize.rs perfect_hash.rs quick_check.rs recompose.rs stream_safe.rs tables.rs

unicode_xid

lib.rs tables.rs

url

host.rs lib.rs origin.rs parser.rs path_segments.rs quirks.rs slicing.rs

waiter

want

yaml_rust

emitter.rs lib.rs parser.rs scanner.rs yaml.rs

use crate::io::{AsyncSeek, SeekFrom};
use futures_core::future::Future;
use futures_core::task::{Context, Poll};
use std::io;
use std::pin::Pin;

/// Future for the [`seek`](crate::io::AsyncSeekExt::seek) method.
#[derive(Debug)]
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct Seek<'a, S: ?Sized> {
    seek: &'a mut S,
    pos: SeekFrom,
}

impl<S: ?Sized + Unpin> Unpin for Seek<'_, S> {}

impl<'a, S: AsyncSeek + ?Sized + Unpin> Seek<'a, S> {
    pub(super) fn new(seek: &'a mut S, pos: SeekFrom) -> Self {
        Self { seek, pos }
    }
}

impl<S: AsyncSeek + ?Sized + Unpin> Future for Seek<'_, S> {
    type Output = io::Result<u64>;

    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
        let this = &mut *self;
        Pin::new(&mut this.seek).poll_seek(cx, this.pos)
    }
}

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