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use const header values where possible

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This commit is contained in:
Rob Ede
2021-12-27 16:15:20 +00:00
parent 554ae7a868
commit 2308f8afa4
6 changed files with 26 additions and 19 deletions
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8
actix-http/src/h2/dispatcher.rs
View File

@ -288,9 +288,11 @@ fn prepare_response(
let _ = match size {
BodySize::None | BodySize::Stream => None,
BodySize::Sized(0) => res
.headers_mut()
.insert(CONTENT_LENGTH, HeaderValue::from_static("0")),
BodySize::Sized(0) => {
#[allow(clippy::declare_interior_mutable_const)]
const HV_ZERO: HeaderValue = HeaderValue::from_static("0");
res.headers_mut().insert(CONTENT_LENGTH, HV_ZERO)
}
BodySize::Sized(len) => {
let mut buf = itoa::Buffer::new();

4
actix-http/src/header/shared/content_encoding.rs
View File

@ -45,13 +45,13 @@ pub enum ContentEncoding {
impl ContentEncoding {
/// Is the content compressed?
#[inline]
pub fn is_compression(self) -> bool {
pub const fn is_compression(self) -> bool {
matches!(self, ContentEncoding::Identity | ContentEncoding::Auto)
}
/// Convert content encoding to string.
#[inline]
pub fn as_str(self) -> &'static str {
pub const fn as_str(self) -> &'static str {
match self {
ContentEncoding::Br => "br",
ContentEncoding::Gzip => "gzip",

5
actix-http/src/ws/mod.rs
View File

@ -99,8 +99,9 @@ impl From<HandshakeError> for Response<BoxBody> {
match err {
HandshakeError::GetMethodRequired => {
let mut res = Response::new(StatusCode::METHOD_NOT_ALLOWED);
res.headers_mut()
.insert(header::ALLOW, HeaderValue::from_static("GET"));
#[allow(clippy::declare_interior_mutable_const)]
const HV_GET: HeaderValue = HeaderValue::from_static("GET");
res.headers_mut().insert(header::ALLOW, HV_GET);
res
}