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atty

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sync

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digest

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directories

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either

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error_chain

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failure

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getrandom

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globset

glob.rs lib.rs pathutil.rs

h2

handlebars

headers

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headers_core

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http

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iter.rs lib.rs macros.rs

humantime

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hyper

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client

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proto

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h2

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server

conn.rs mod.rs shutdown.rs tcp.rs

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error.rs headers.rs lib.rs rt.rs upgrade.rs

hyper_tls

client.rs lib.rs stream.rs

idna

lib.rs punycode.rs uts46.rs

ignore

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indexmap

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non_blocking

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log

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maplit

matches

maybe_uninit

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fallback.rs iter.rs lib.rs naive.rs

memmap

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mime

mime_guess

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inflate

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mio

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mio_uds

datagram.rs lib.rs listener.rs socket.rs stream.rs

native_tls

imp

net2

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impls.rs mod.rs

ext.rs lib.rs socket.rs tcp.rs udp.rs unix.rs utils.rs

notify

debounce

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inotify.rs lib.rs null.rs poll.rs

num_cpus

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opaque_debug

open

openssl

openssl_probe

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parking_lot

condvar.rs deadlock.rs elision.rs lib.rs mutex.rs once.rs raw_mutex.rs raw_rwlock.rs remutex.rs rwlock.rs util.rs

parking_lot_core

thread_parker

linux.rs mod.rs

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pbr

tty

lib.rs multi.rs pb.rs

percent_encoding

pest

iterators

flat_pairs.rs mod.rs pair.rs pairs.rs queueable_token.rs tokens.rs

unicode

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error.rs lib.rs macros.rs parser.rs parser_state.rs position.rs prec_climber.rs span.rs stack.rs token.rs

pest_derive

pest_generator

generator.rs lib.rs macros.rs

pest_meta

optimizer

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ast.rs grammar.rs lib.rs parser.rs validator.rs

phf

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phf_codegen

phf_generator

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pin_project

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attribute.rs derive.rs mod.rs

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pin_project_lite

pin_utils

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ppv_lite86

x86_64

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proc_macro2

fallback.rs lib.rs strnom.rs wrapper.rs

publicsuffix

errors.rs lib.rs

quick_error

quote

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rand

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rand_core

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rand_hc

hc128.rs lib.rs

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rand_os

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rand_pcg

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rand_xorshift

regex

regex_syntax

remove_dir_all

reqwest

rle_decode_fast

rustc_demangle

legacy.rs lib.rs v0.rs

ryu

buffer

pretty

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safemem

same_file

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scopeguard

semver

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serde

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private

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ser

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export.rs integer128.rs lib.rs macros.rs

serde_derive

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serde_json

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io

value

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de.rs error.rs iter.rs lib.rs macros.rs map.rs number.rs read.rs ser.rs

serde_urlencoded

ser

key.rs mod.rs pair.rs part.rs value.rs

sha1

consts.rs lib.rs utils.rs

sha2

consts.rs lib.rs sha256.rs sha256_utils.rs sha512.rs sha512_utils.rs

siphasher

lib.rs sip.rs sip128.rs

slab

smallvec

string

strsim

structopt

structopt_derive

attrs.rs lib.rs

syn

synstructure

lib.rs macros.rs

take_mut

lib.rs scoped.rs

tar

archive.rs builder.rs entry.rs entry_type.rs error.rs header.rs lib.rs pax.rs

tempfile

file

imp

dir.rs error.rs lib.rs spooled.rs util.rs

termcolor

textwrap

indentation.rs lib.rs splitting.rs

thread_local

cached.rs lib.rs thread_id.rs unreachable.rs

time

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

tokio

codec

length_delimited.rs mod.rs

executor

current_thread

reactor

mod.rs poll_evented.rs

runtime

current_thread

builder.rs mod.rs runtime.rs

threadpool

builder.rs mod.rs shutdown.rs task_executor.rs

util

enumerate.rs future.rs mod.rs stream.rs

clock.rs fs.rs io.rs lib.rs net.rs prelude.rs sync.rs timer.rs

tokio_buf

util

chain.rs collect.rs from.rs iter.rs limit.rs mod.rs stream.rs

lib.rs never.rs size_hint.rs str.rs u8.rs

tokio_codec

bytes_codec.rs lib.rs lines_codec.rs

tokio_core

tokio_current_thread

lib.rs scheduler.rs

tokio_executor

enter.rs error.rs executor.rs global.rs lib.rs park.rs typed.rs

tokio_fs

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background.rs lib.rs poll_evented.rs registration.rs sharded_rwlock.rs

tokio_sync

mpsc

block.rs bounded.rs chan.rs list.rs mod.rs unbounded.rs

task

atomic_task.rs mod.rs

lib.rs lock.rs loom.rs oneshot.rs semaphore.rs watch.rs

tokio_tcp

incoming.rs lib.rs listener.rs stream.rs

tokio_threadpool

tokio_timer

tokio_tls

tokio_udp

frame.rs lib.rs recv_dgram.rs send_dgram.rs socket.rs

tokio_uds

datagram.rs frame.rs incoming.rs lib.rs listener.rs recv_dgram.rs send_dgram.rs stream.rs ucred.rs

tokio_util

codec

bytes_codec.rs decoder.rs encoder.rs framed.rs framed_read.rs framed_write.rs length_delimited.rs lines_codec.rs mod.rs

toml

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tower_service

traitobject

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try_from

char.rs int.rs lib.rs

try_lock

typeable

typenum

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ucd_trie

lib.rs owned.rs

unicase

unicode

ascii.rs lib.rs

unicode_bidi

char_data

mod.rs tables.rs

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

unicode_categories

lib.rs tables.rs

unicode_normalization

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

unicode_segmentation

grapheme.rs lib.rs sentence.rs tables.rs word.rs

unicode_width

lib.rs tables.rs

unicode_xid

lib.rs tables.rs

url

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

uuid

adapter

core_support

parser

core_support.rs mod.rs std_support.rs

builder.rs core_support.rs lib.rs prelude.rs std_support.rs v4.rs

vec_map

walkdir

dent.rs error.rs lib.rs util.rs

want

websocket

client

async.rs builder.rs mod.rs sync.rs

codec

http.rs mod.rs ws.rs

header

accept.rs extensions.rs key.rs mod.rs origin.rs protocol.rs version.rs

server

upgrade

async.rs mod.rs sync.rs

async.rs mod.rs sync.rs

ws

util

header.rs mask.rs mod.rs

dataframe.rs message.rs mod.rs receiver.rs sender.rs

dataframe.rs lib.rs message.rs receiver.rs result.rs sender.rs stream.rs

xattr

sys

linux_macos

linux.rs mod.rs

error.rs lib.rs util.rs

use std::fs;
use std::io;
use std::path::Path;

use futures::{Future, Poll};

/// Removes an existing, empty directory.
///
/// This is an async version of [`std::fs::remove_dir`][std]
///
/// [std]: https://doc.rust-lang.org/std/fs/fn.remove_dir.html
pub fn remove_dir<P: AsRef<Path>>(path: P) -> RemoveDirFuture<P> {
    RemoveDirFuture::new(path)
}

/// Future returned by `remove_dir`.
#[derive(Debug)]
pub struct RemoveDirFuture<P>
where
    P: AsRef<Path>,
{
    path: P,
}

impl<P> RemoveDirFuture<P>
where
    P: AsRef<Path>,
{
    fn new(path: P) -> RemoveDirFuture<P> {
        RemoveDirFuture { path: path }
    }
}

impl<P> Future for RemoveDirFuture<P>
where
    P: AsRef<Path>,
{
    type Item = ();
    type Error = io::Error;

    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
        ::blocking_io(|| fs::remove_dir(&self.path))
    }
}

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