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hash

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focus.rs mod.rs

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indexmap

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inflate

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lexical

error.rs lib.rs traits.rs

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libc

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align.rs mod.rs

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fixed_width_ints.rs lib.rs macros.rs

libloading

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changelog.rs lib.rs util.rs

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line_drawing

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linked_hash_map

lock_api

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log

lib.rs macros.rs serde.rs

lyon_geom

arc.rs cubic_bezier.rs cubic_bezier_intersections.rs cubic_to_quadratic.rs flatten_cubic.rs lib.rs line.rs monotonic.rs quadratic_bezier.rs segment.rs triangle.rs utils.rs

lyon_path

builder.rs default.rs events.rs iterator.rs lib.rs path_state.rs

lzw

bitstream.rs lib.rs lzw.rs

matches

matrixmultiply

x86

macros.rs mod.rs

aligned_alloc.rs archparam.rs debugmacros.rs dgemm_kernel.rs gemm.rs kernel.rs lib.rs loopmacros.rs sgemm_kernel.rs util.rs

maybe_uninit

memchr

x86

avx.rs mod.rs sse2.rs

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

memmap

memoffset

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mime

lib.rs parse.rs

mime_guess

impl_bin_search.rs lib.rs

minimp3

error.rs lib.rs

minimp3_sys

bindings.rs lib.rs

miniz_oxide

deflate

buffer.rs core.rs mod.rs stream.rs

inflate

core.rs mod.rs output_buffer.rs stream.rs

lib.rs shared.rs

mint

lib.rs matrix.rs rotation.rs vector.rs

minterpolate

catmull_rom_spline.rs cubic_spline.rs lib.rs linear.rs primitive.rs quasi_spherical_linear.rs spherical_linear.rs step.rs

mio

mopa

nalgebra

base

geometry

isometry.rs isometry_alga.rs isometry_alias.rs isometry_construction.rs isometry_conversion.rs isometry_ops.rs mod.rs op_macros.rs orthographic.rs perspective.rs point.rs point_alga.rs point_alias.rs point_construction.rs point_conversion.rs point_coordinates.rs point_ops.rs quaternion.rs quaternion_alga.rs quaternion_construction.rs quaternion_conversion.rs quaternion_coordinates.rs quaternion_ops.rs reflection.rs rotation.rs rotation_alga.rs rotation_alias.rs rotation_construction.rs rotation_conversion.rs rotation_ops.rs rotation_specialization.rs similarity.rs similarity_alga.rs similarity_alias.rs similarity_construction.rs similarity_conversion.rs similarity_ops.rs swizzle.rs transform.rs transform_alga.rs transform_alias.rs transform_construction.rs transform_conversion.rs transform_ops.rs translation.rs translation_alga.rs translation_alias.rs translation_construction.rs translation_conversion.rs translation_coordinates.rs translation_ops.rs unit_complex.rs unit_complex_alga.rs unit_complex_construction.rs unit_complex_conversion.rs unit_complex_ops.rs

linalg

balancing.rs bidiagonal.rs cholesky.rs convolution.rs determinant.rs full_piv_lu.rs givens.rs hessenberg.rs householder.rs inverse.rs lu.rs mod.rs permutation_sequence.rs qr.rs schur.rs solve.rs svd.rs symmetric_eigen.rs symmetric_tridiagonal.rs

native_tls

imp

net2

sys

unix

impls.rs mod.rs

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

nix

nodrop

num

num_bigint

algorithms.rs bigint.rs biguint.rs lib.rs macros.rs monty.rs

num_complex

cast.rs lib.rs pow.rs

num_cpus

num_derive

num_integer

lib.rs roots.rs

num_iter

num_rational

num_traits

objekt

lib.rs macros.rs

ogg

crc.rs lib.rs reading.rs writing.rs

openssl

openssl_probe

openssl_sys

ordered_float

owning_ref

palette

palette_derive

convert

from_color.rs into_color.rs mod.rs shared.rs

encoding

mod.rs pixel.rs

lib.rs meta.rs util.rs

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

lib.rs parking_lot.rs spinwait.rs util.rs word_lock.rs

paste

paste_impl

enum_hack.rs lib.rs

percent_encoding

phf

lib.rs map.rs ordered_map.rs ordered_set.rs set.rs

phf_shared

png

decoder

mod.rs stream.rs

chunk.rs common.rs crc.rs encoder.rs filter.rs lib.rs traits.rs utils.rs

ppv_lite86

x86_64

lib.rs soft.rs types.rs

proc_macro2

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

proc_macro_hack

proc_macro_roids

derive_input_ext.rs derive_input_newtype_ext.rs derive_input_struct_ext.rs field_ext.rs fields_named_append.rs fields_unnamed_append.rs ident_ext.rs lib.rs util.rs

publicsuffix

errors.rs lib.rs

quick_error

quickcheck

arbitrary.rs lib.rs tester.rs

quote

ext.rs format.rs ident_fragment.rs lib.rs runtime.rs spanned.rs to_tokens.rs

rand

rand_chacha

chacha.rs lib.rs

rand_core

block.rs error.rs impls.rs le.rs lib.rs os.rs

rand_hc

hc128.rs lib.rs

rand_isaac

isaac.rs isaac64.rs isaac_array.rs lib.rs

rand_jitter

dummy_log.rs error.rs lib.rs platform.rs

rand_os

dummy_log.rs lib.rs linux_android.rs random_device.rs

rand_pcg

lib.rs pcg128.rs pcg64.rs

rand_xorshift

rawpointer

rayon

delegate.rs lib.rs math.rs option.rs par_either.rs prelude.rs private.rs range.rs range_inclusive.rs result.rs split_producer.rs str.rs vec.rs

rayon_core

compile_fail

mod.rs quicksort_race1.rs quicksort_race2.rs quicksort_race3.rs rc_return.rs rc_upvar.rs scope_join_bad.rs

join

scope

sleep

spawn

thread_pool

job.rs latch.rs lib.rs log.rs private.rs registry.rs unwind.rs util.rs

regex

regex_syntax

relevant

rendy

rendy_chain

chain

schedule

family.rs mod.rs queue.rs submission.rs

collect.rs lib.rs node.rs resource.rs sync.rs

rendy_command

buffer

encoder.rs level.rs mod.rs reset.rs state.rs submit.rs usage.rs

family

mod.rs queue.rs submission.rs

capability.rs fence.rs lib.rs pool.rs

rendy_descriptor

allocator.rs lib.rs ranges.rs

rendy_factory

barriers.rs blitter.rs config.rs factory.rs lib.rs upload.rs

rendy_frame

cirque

command.rs mod.rs

frame.rs lib.rs

rendy_graph

graph

node

render

group

mod.rs simple.rs

mod.rs present.rs

rendy_memory

allocator

dedicated.rs dynamic.rs linear.rs mod.rs

heaps

heap.rs memory_type.rs mod.rs

mapping

mod.rs range.rs write.rs

block.rs lib.rs memory.rs usage.rs util.rs utilization.rs

rendy_mesh

format

format.rs lib.rs mesh.rs

rendy_resource

sampler

cache.rs mod.rs

buffer.rs escape.rs image.rs lib.rs resources.rs set.rs

rendy_shader

rendy_texture

format

image.rs palette.rs

format.rs lib.rs pixel.rs texture.rs

rendy_util

types

mod.rs vertex.rs

casts.rs features.rs lib.rs slow.rs wrap.rs

rendy_wsi

rental

rental_impl

reqwest

rgb

internal

convert

array.rs mod.rs tuple.rs

ops.rs pixel.rs rgb.rs rgba.rs

rodio

ron

de

error.rs id.rs mod.rs value.rs

ser

mod.rs value.rs

lib.rs parse.rs value.rs

rustc_demangle

legacy.rs lib.rs v0.rs

rustc_hash

rustc_version

errors.rs lib.rs

rustc_version_runtime

lib.rs version.rs

rusttype

ryu

buffer

pretty

exponent.rs mantissa.rs mod.rs

common.rs d2s.rs d2s_full_table.rs d2s_intrinsics.rs digit_table.rs f2s.rs lib.rs

same_file

scoped_threadpool

scopeguard

semver

lib.rs version.rs version_req.rs

semver_parser

common.rs lib.rs range.rs recognize.rs version.rs

sentry

integrations

env_logger.rs failure.rs log.rs mod.rs panic.rs

scope

api.rs backtrace_support.rs client.rs constants.rs hub.rs lib.rs macros.rs transport.rs utils.rs

sentry_types

protocol

auth.rs dsn.rs lib.rs macros.rs project_id.rs utils.rs

serde

de

from_primitive.rs ignored_any.rs impls.rs mod.rs utf8.rs value.rs

private

de.rs macros.rs mod.rs ser.rs

ser

impls.rs impossible.rs mod.rs

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

serde_bytes

bytebuf.rs bytes.rs de.rs lib.rs ser.rs

serde_derive

internals

ast.rs attr.rs case.rs check.rs ctxt.rs mod.rs symbol.rs

bound.rs de.rs dummy.rs fragment.rs lib.rs pretend.rs ser.rs try.rs

serde_json

value

de.rs from.rs index.rs mod.rs partial_eq.rs ser.rs

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

shared_library

dynamic_library.rs lib.rs

shred

dispatch

async_dispatcher.rs batch.rs builder.rs dispatcher.rs mod.rs par_seq.rs stage.rs util.rs

world

data.rs entry.rs mod.rs setup.rs

cell.rs lib.rs meta.rs system.rs

shred_derive

shrev

lib.rs storage.rs util.rs

singularity_rs

siphasher

lib.rs sip.rs sip128.rs

sized_chunks

bitmap.rs lib.rs sized_chunk.rs sparse_chunk.rs types.rs

slab

slice_deque

mirrored

buffer.rs linux.rs mod.rs

lib.rs macros.rs

smallvec

smithay_client_toolkit

data_device

data_device.rs data_offer.rs data_source.rs mod.rs

keyboard

ffi.rs keysyms.rs mod.rs

pointer

mod.rs theme.rs

shell

mod.rs wl.rs xdg.rs zxdg.rs

utils

mempool.rs mod.rs

window

basic_frame.rs concept_frame.rs mod.rs

env.rs lib.rs output.rs surface.rs

specs

join

mod.rs par_join.rs

storage

data.rs drain.rs entry.rs flagged.rs generic.rs mod.rs restrict.rs storages.rs track.rs

world

comp.rs entity.rs lazy.rs mod.rs world_ext.rs

bitset.rs changeset.rs error.rs lib.rs prelude.rs

specs_derive

impl_saveload.rs lib.rs

specs_hierarchy

stable_deref_trait

stackvector

static_assertions

assert_cfg.rs assert_eq_size.rs assert_eq_type.rs assert_fields.rs assert_impl.rs assert_ne_type.rs assert_not_impl.rs assert_obj_safe.rs const_assert.rs lib.rs

stb_truetype

string

syn

synstructure

lib.rs macros.rs

termcolor

thread_local

lib.rs thread_id.rs unreachable.rs

thread_profiler

tiff

decoder

ifd.rs mod.rs stream.rs

error.rs lib.rs

time

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

tokio

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 io.rs lib.rs net.rs prelude.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_current_thread

lib.rs scheduler.rs

tokio_executor

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

tokio_io

tokio_reactor

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

try_from

char.rs int.rs lib.rs

try_lock

tuple_utils

twox_hash

lib.rs sixty_four.rs std_support.rs thirty_two.rs

typenum

array.rs bit.rs int.rs lib.rs marker_traits.rs operator_aliases.rs private.rs type_operators.rs uint.rs

uname

unic_langid

unic_langid_impl

parser

errors.rs mod.rs

errors.rs lib.rs subtags.rs

unic_langid_macros

unic_langid_macros_impl

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_normalization

decompose.rs lib.rs normalize.rs quick_check.rs recompose.rs stream_safe.rs tables.rs

unicode_segmentation

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

unicode_xid

lib.rs tables.rs

unreachable

url

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

url_serde

uuid

adapter

core_support

compact.rs mod.rs

parser

core_support.rs mod.rs std_support.rs

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

void

walkdir

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

want

wavefront_obj

lex.rs lib.rs mtl.rs obj.rs util.rs

wayland_client

native_lib

display.rs event_queue.rs mod.rs proxy.rs

cursor.rs display.rs egl.rs event_queue.rs globals.rs lib.rs proxy.rs

wayland_commons

lib.rs map.rs socket.rs utils.rs wire.rs

wayland_protocols

lib.rs protocol_macro.rs stable.rs unstable.rs wlr.rs

wayland_sys

client.rs common.rs cursor.rs egl.rs lib.rs

winapi

winconsole

winit

x11

dpms.rs glx.rs internal.rs keysym.rs lib.rs link.rs xcursor.rs xf86vmode.rs xfixes.rs xft.rs xinerama.rs xinput.rs xinput2.rs xlib.rs xlib_xcb.rs xmd.rs xmu.rs xrandr.rs xrecord.rs xrender.rs xss.rs xt.rs xtest.rs

x11_clipboard

error.rs lib.rs run.rs

x11_dl

dpms.rs error.rs glx.rs internal.rs keysym.rs lib.rs link.rs xcursor.rs xf86vmode.rs xfixes.rs xft.rs xinerama.rs xinput.rs xinput2.rs xlib.rs xlib_xcb.rs xmd.rs xmu.rs xrandr.rs xrecord.rs xrender.rs xss.rs xt.rs xtest.rs

xcb

ffi

base.rs big_requests.rs render.rs shape.rs xc_misc.rs xfixes.rs xproto.rs

base.rs big_requests.rs lib.rs render.rs shape.rs xc_misc.rs xfixes.rs xproto.rs

xdg

xi_unicode

lib.rs tables.rs

xml

use {Async, Poll};
use stream::Stream;

/// A combinator used to filter the results of a stream and simultaneously map
/// them to a different type.
///
/// This structure is returned by the `Stream::filter_map` method.
#[derive(Debug)]
#[must_use = "streams do nothing unless polled"]
pub struct FilterMap<S, F> {
    stream: S,
    f: F,
}

pub fn new<S, F, B>(s: S, f: F) -> FilterMap<S, F>
    where S: Stream,
          F: FnMut(S::Item) -> Option<B>,
{
    FilterMap {
        stream: s,
        f: f,
    }
}

impl<S, F> FilterMap<S, F> {
    /// Acquires a reference to the underlying stream that this combinator is
    /// pulling from.
    pub fn get_ref(&self) -> &S {
        &self.stream
    }

    /// Acquires a mutable reference to the underlying stream that this
    /// combinator is pulling from.
    ///
    /// Note that care must be taken to avoid tampering with the state of the
    /// stream which may otherwise confuse this combinator.
    pub fn get_mut(&mut self) -> &mut S {
        &mut self.stream
    }

    /// Consumes this combinator, returning the underlying stream.
    ///
    /// Note that this may discard intermediate state of this combinator, so
    /// care should be taken to avoid losing resources when this is called.
    pub fn into_inner(self) -> S {
        self.stream
    }
}

// Forwarding impl of Sink from the underlying stream
impl<S, F> ::sink::Sink for FilterMap<S, F>
    where S: ::sink::Sink
{
    type SinkItem = S::SinkItem;
    type SinkError = S::SinkError;

    fn start_send(&mut self, item: S::SinkItem) -> ::StartSend<S::SinkItem, S::SinkError> {
        self.stream.start_send(item)
    }

    fn poll_complete(&mut self) -> Poll<(), S::SinkError> {
        self.stream.poll_complete()
    }

    fn close(&mut self) -> Poll<(), S::SinkError> {
        self.stream.close()
    }
}

impl<S, F, B> Stream for FilterMap<S, F>
    where S: Stream,
          F: FnMut(S::Item) -> Option<B>,
{
    type Item = B;
    type Error = S::Error;

    fn poll(&mut self) -> Poll<Option<B>, S::Error> {
        loop {
            match try_ready!(self.stream.poll()) {
                Some(e) => {
                    if let Some(e) = (self.f)(e) {
                        return Ok(Async::Ready(Some(e)))
                    }
                }
                None => return Ok(Async::Ready(None)),
            }
        }
    }
}