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style(lib): address clippy code style warnings

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* Remove unnecessary return statements.

* Combine identical `match` arms.

* Collapse nested conditional.

* Use `assert_ne` where applicable.

* Lifetime elision.
This commit is contained in:
Corey Farwell
2017-06-12 23:16:20 -04:00
committed by Sean McArthur
parent 5d19ef88b4
commit 1059eb349a
14 changed files with 38 additions and 49 deletions
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1
src/client/connect.rs
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@@ -103,7 +103,6 @@ impl Service for HttpConnector {
let port = match uri.port() {
Some(port) => port,
None => match uri.scheme() {
Some("http") => 80,
Some("https") => 443,
_ => 80,
},

2
src/client/mod.rs
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@@ -76,7 +76,7 @@ impl Client<HttpConnector, http::Body> {
impl<C, B> Client<C, B> {
/// Return a reference to a handle to the event loop this Client is associated with.
#[inline]
pub fn handle<'a>(&'a self) -> &'a Handle {
pub fn handle(&self) -> &Handle {
&self.handle
}

8
src/error.rs
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@@ -128,11 +128,11 @@ impl From<FromUtf8Error> for Error {
impl From<httparse::Error> for Error {
fn from(err: httparse::Error) -> Error {
match err {
httparse::Error::HeaderName => Header,
httparse::Error::HeaderValue => Header,
httparse::Error::NewLine => Header,
httparse::Error::Status => Status,
httparse::Error::HeaderName |
httparse::Error::HeaderValue |
httparse::Error::NewLine |
httparse::Error::Token => Header,
httparse::Error::Status => Status,
httparse::Error::TooManyHeaders => TooLarge,
httparse::Error::Version => Version,
}

6
src/header/common/cookie.rs
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@@ -222,16 +222,16 @@ mod tests {
// left has more params
cookie.append("foo", "bar");
assert!(cookie != cookie2);
assert_ne!(cookie, cookie2);
// same len, different params
cookie2.append("bar", "foo");
assert!(cookie != cookie2);
assert_ne!(cookie, cookie2);
// right has more params, and matching KV
cookie2.append("foo", "bar");
assert!(cookie != cookie2);
assert_ne!(cookie, cookie2);
// same params, different order
cookie.append("bar", "foo");

30
src/header/common/link.rs
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@@ -505,14 +505,13 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5988#section-5.3
if link_header.rel.is_none() {
link_header.rel = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => {
s.trim_matches(|c: char| c == '"' || c.is_whitespace())
.split(' ')
.map(|t| t.trim().parse())
.collect::<Result<Vec<RelationType>, _>>()
.or_else(|_| return Err(::Error::Header))
.or_else(|_| Err(::Error::Header))
.ok()
},
};
@@ -521,8 +520,7 @@ impl FromStr for Link {
// Parse the `Context IRI`.
// https://tools.ietf.org/html/rfc5988#section-5.2
link_header.anchor = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => match verify_and_trim(s.trim(), (b'"', b'"')) {
Err(_) => return Err(::Error::Header),
Ok(a) => Some(String::from(a)),
@@ -533,14 +531,13 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5988#section-5.3
if link_header.rev.is_none() {
link_header.rev = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => {
s.trim_matches(|c: char| c == '"' || c.is_whitespace())
.split(' ')
.map(|t| t.trim().parse())
.collect::<Result<Vec<RelationType>, _>>()
.or_else(|_| return Err(::Error::Header))
.or_else(|_| Err(::Error::Header))
.ok()
},
}
@@ -552,8 +549,7 @@ impl FromStr for Link {
v.push(
match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => match s.trim().parse() {
Err(_) => return Err(::Error::Header),
Ok(t) => t,
@@ -567,14 +563,13 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5988#section-5.4
if link_header.media_desc.is_none() {
link_header.media_desc = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => {
s.trim_matches(|c: char| c == '"' || c.is_whitespace())
.split(',')
.map(|t| t.trim().parse())
.collect::<Result<Vec<MediaDesc>, _>>()
.or_else(|_| return Err(::Error::Header))
.or_else(|_| Err(::Error::Header))
.ok()
},
};
@@ -584,8 +579,7 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5988#section-5.4
if link_header.title.is_none() {
link_header.title = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => match verify_and_trim(s.trim(), (b'"', b'"')) {
Err(_) => return Err(::Error::Header),
Ok(t) => Some(String::from(t)),
@@ -600,8 +594,7 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5987#section-3.2.1
if link_header.title_star.is_none() {
link_header.title_star = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => Some(String::from(s.trim())),
};
}
@@ -610,8 +603,7 @@ impl FromStr for Link {
// https://tools.ietf.org/html/rfc5988#section-5.4
if link_header.media_type.is_none() {
link_header.media_type = match link_param_split.next() {
None => return Err(::Error::Header),
Some("") => return Err(::Error::Header),
None | Some("") => return Err(::Error::Header),
Some(s) => match verify_and_trim(s.trim(), (b'"', b'"')) {
Err(_) => return Err(::Error::Header),
Ok(t) => match t.parse() {

4
src/header/common/strict_transport_security.rs
View File

@@ -104,8 +104,8 @@ impl FromStr for StrictTransportSecurity {
.fold(Ok((None, None)), |res, dir| match (res, dir) {
(Ok((None, sub)), Ok(Directive::MaxAge(age))) => Ok((Some(age), sub)),
(Ok((age, None)), Ok(Directive::IncludeSubdomains)) => Ok((age, Some(()))),
(Ok((Some(_), _)), Ok(Directive::MaxAge(_))) => Err(::Error::Header),
(Ok((_, Some(_))), Ok(Directive::IncludeSubdomains)) => Err(::Error::Header),
(Ok((Some(_), _)), Ok(Directive::MaxAge(_))) |
(Ok((_, Some(_))), Ok(Directive::IncludeSubdomains)) |
(_, Err(_)) => Err(::Error::Header),
(res, _) => res
})

2
src/header/internals/cell.rs
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@@ -109,7 +109,7 @@ impl<V: ?Sized + Any + 'static> PtrMapCell<V> {
let one = mem::replace(map, PtrMap::Empty);
match one {
PtrMap::One(id, one) => {
debug_assert!(id != key);
debug_assert_ne!(id, key);
let mut hm = HashMap::with_capacity(2);
hm.insert(id, one);
hm.insert(key, val);

6
src/header/mod.rs
View File

@@ -918,7 +918,7 @@ mod tests {
headers1.set(ContentLength(11));
headers2.set(Host::new("foo.bar", None));
assert!(headers1 != headers2);
assert_ne!(headers1, headers2);
headers1 = Headers::new();
headers2 = Headers::new();
@@ -928,7 +928,7 @@ mod tests {
assert_eq!(headers1, headers2);
headers1.set(ContentLength(10));
assert!(headers1 != headers2);
assert_ne!(headers1, headers2);
headers1 = Headers::new();
headers2 = Headers::new();
@@ -936,7 +936,7 @@ mod tests {
headers1.set(Host::new("foo.bar", None));
headers1.set(ContentLength(11));
headers2.set(ContentLength(11));
assert!(headers1 != headers2);
assert_ne!(headers1, headers2);
}
#[cfg(feature = "nightly")]

2
src/header/raw.rs
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@@ -231,7 +231,7 @@ impl ::std::ops::Index<usize> for Raw {
macro_rules! literals {
($($len:expr => $($value:expr),+;)+) => (
fn maybe_literal<'a>(s: Cow<'a, [u8]>) -> Bytes {
fn maybe_literal(s: Cow<[u8]>) -> Bytes {
match s.len() {
$($len => {
$(

8
src/http/conn.rs
View File

@@ -119,12 +119,12 @@ where I: AsyncRead + AsyncWrite,
(true, Reading::Body(decoder))
};
self.state.reading = reading;
return Ok(Async::Ready(Some(Frame::Message { message: head, body: body })));
Ok(Async::Ready(Some(Frame::Message { message: head, body: body })))
},
_ => {
error!("unimplemented HTTP Version = {:?}", version);
self.state.close_read();
return Ok(Async::Ready(Some(Frame::Error { error: ::Error::Version })));
Ok(Async::Ready(Some(Frame::Error { error: ::Error::Version })))
}
}
}
@@ -139,13 +139,11 @@ where I: AsyncRead + AsyncWrite,
let slice = try_nb!(decoder.decode(&mut self.io));
if !slice.is_empty() {
return Ok(Async::Ready(Some(http::Chunk::from(slice))));
} else {
if decoder.is_eof() {
} else if decoder.is_eof() {
(Reading::KeepAlive, Ok(Async::Ready(None)))
} else {
(Reading::Closed, Ok(Async::Ready(None)))
}
}
},
Reading::Init | Reading::KeepAlive | Reading::Closed => unreachable!()

6
src/http/h1/decode.rs
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@@ -198,7 +198,7 @@ impl ChunkedState {
// LWS can follow the chunk size, but no more digits can come
b'\t' | b' ' => Ok(ChunkedState::SizeLws),
b';' => Ok(ChunkedState::Extension),
b'\r' => return Ok(ChunkedState::SizeLf),
b'\r' => Ok(ChunkedState::SizeLf),
_ => {
Err(io::Error::new(io::ErrorKind::InvalidInput,
"Invalid chunk size linear white space"))
@@ -208,8 +208,8 @@ impl ChunkedState {
fn read_extension<R: MemRead>(rdr: &mut R) -> io::Result<ChunkedState> {
trace!("read_extension");
match byte!(rdr) {
b'\r' => return Ok(ChunkedState::SizeLf),
_ => return Ok(ChunkedState::Extension), // no supported extensions
b'\r' => Ok(ChunkedState::SizeLf),
_ => Ok(ChunkedState::Extension), // no supported extensions
}
}
fn read_size_lf<R: MemRead>(rdr: &mut R, size: &mut u64) -> io::Result<ChunkedState> {

2
src/server/mod.rs
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@@ -426,7 +426,7 @@ impl<S, B> Server<S, B>
let wait = WaitUntilZero { info: info.clone() };
match core.run(wait.select(timeout)) {
Ok(_) => Ok(()),
Err((e, _)) => return Err(e.into())
Err((e, _)) => Err(e.into())
}
}
}

4
src/status.rs
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@@ -648,11 +648,11 @@ impl StatusClass {
pub fn default_code(&self) -> StatusCode {
match *self {
StatusClass::Informational => StatusCode::Continue,
StatusClass::Success => StatusCode::Ok,
StatusClass::Success |
StatusClass::NoClass => StatusCode::Ok,
StatusClass::Redirection => StatusCode::MultipleChoices,
StatusClass::ClientError => StatusCode::BadRequest,
StatusClass::ServerError => StatusCode::InternalServerError,
StatusClass::NoClass => StatusCode::Ok,
}
}
}

2
src/uri.rs
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@@ -80,7 +80,7 @@ impl Uri {
})
} else if (s.contains("/") || s.contains("?")) && !s.contains("://") {
// last possibility is authority-form, above are illegal characters
return Err(UriError(ErrorKind::Malformed))
Err(UriError(ErrorKind::Malformed))
} else {
// authority-form
let len = s.len();