Files
adler32
backtrace
backtrace_sys
base64
bigtable
bitflags
byteorder
bytes
cfg_if
cookie
cookie_store
crc32fast
crossbeam_deque
crossbeam_epoch
crossbeam_queue
crossbeam_utils
curl
curl_sys
dtoa
either
encoding_rs
error_chain
failure
failure_derive
flate2
fnv
foreign_types
foreign_types_shared
futures
futures_cpupool
goauth
h2
http
http_body
httparse
hyper
hyper_tls
idna
indexmap
iovec
itoa
lazy_static
libc
libz_sys
lock_api
log
matches
maybe_uninit
memoffset
mime
mime_guess
miniz_oxide
mio
native_tls
net2
num_cpus
num_traits
openssl
openssl_probe
openssl_sys
parking_lot
parking_lot_core
percent_encoding
proc_macro2
protobuf
protobuf_json
publicsuffix
quote
rand
rand_chacha
rand_core
rand_hc
rand_isaac
rand_jitter
rand_os
rand_pcg
rand_xorshift
regex
regex_syntax
reqwest
rustc_demangle
rustc_serialize
ryu
scopeguard
serde
serde_codegen_internals
serde_derive
serde_json
serde_urlencoded
slab
smallvec
smpl_jwt
socket2
string
syn
synom
synstructure
time
tokio
tokio_buf
tokio_current_thread
tokio_executor
tokio_io
tokio_reactor
tokio_sync
tokio_tcp
tokio_threadpool
tokio_timer
try_from
try_lock
unicase
unicode_bidi
unicode_normalization
unicode_xid
url
uuid
want
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
// Re-export the io::Result / Error types for convenience
pub use std::io::{Read, Write, Result, Error, ErrorKind};

// TODO: Delete this
/// A helper trait to provide the map_non_block function on Results.
pub trait MapNonBlock<T> {
    /// Maps a `Result<T>` to a `Result<Option<T>>` by converting
    /// operation-would-block errors into `Ok(None)`.
    fn map_non_block(self) -> Result<Option<T>>;
}

impl<T> MapNonBlock<T> for Result<T> {
    fn map_non_block(self) -> Result<Option<T>> {
        use std::io::ErrorKind::WouldBlock;

        match self {
            Ok(value) => Ok(Some(value)),
            Err(err) => {
                if let WouldBlock = err.kind() {
                    Ok(None)
                } else {
                    Err(err)
                }
            }
        }
    }
}

#[cfg(feature = "with-deprecated")]
pub mod deprecated {
    /// Returns a std `WouldBlock` error without allocating
    pub fn would_block() -> ::std::io::Error {
        ::std::io::ErrorKind::WouldBlock.into()
    }
}