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Code Issues Releases Wiki Activity

Remove uses of pin_project::project attribute

Browse Source 
pin-project will deprecate the project attribute due to some unfixable
limitations.

Refs: https://github.com/taiki-e/pin-project/issues/225
This commit is contained in:
Taiki Endo
2020-06-06 06:42:45 +09:00
parent 755a8bb9d1
commit 9528df4486
11 changed files with 37 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
actix-service/Cargo.toml
View File

@ -17,7 +17,7 @@ path = "src/lib.rs"
[dependencies]
futures-util = "0.3.1"
pin-project = "0.4.6"
pin-project = "0.4.17"
[dev-dependencies]
actix-rt = "1.0.0"

24
actix-service/benches/and_then.rs
View File

@ -81,7 +81,7 @@ where
state: State<A, B>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateProj)]
enum State<A, B>
where
A: Service,
@ -99,13 +99,11 @@ where
{
type Output = Result<B::Response, A::Error>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
State::A(fut, b) => match fut.poll(cx)? {
StateProj::A(fut, b) => match fut.poll(cx)? {
Poll::Ready(res) => {
let b = b.take().unwrap();
this.state.set(State::Empty); // drop fut A
@ -115,11 +113,11 @@ where
}
Poll::Pending => Poll::Pending,
},
State::B(fut) => fut.poll(cx).map(|r| {
StateProj::B(fut) => fut.poll(cx).map(|r| {
this.state.set(State::Empty);
r
}),
State::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
StateProj::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
}
}
}
@ -179,7 +177,7 @@ where
state: StateRC<A, B>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateRCProj)]
enum StateRC<A, B>
where
A: Service,
@ -196,14 +194,12 @@ where
B: Service<Request = A::Response, Error = A::Error>,
{
type Output = Result<B::Response, A::Error>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
StateRC::A(fut, b) => match fut.poll(cx)? {
StateRCProj::A(fut, b) => match fut.poll(cx)? {
Poll::Ready(res) => {
let b = b.take().unwrap();
this.state.set(StateRC::Empty); // drop fut A
@ -213,11 +209,11 @@ where
}
Poll::Pending => Poll::Pending,
},
StateRC::B(fut) => fut.poll(cx).map(|r| {
StateRCProj::B(fut) => fut.poll(cx).map(|r| {
this.state.set(StateRC::Empty);
r
}),
StateRC::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
StateRCProj::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
}
}
}

10
actix-service/src/and_then.rs
View File

@ -66,7 +66,7 @@ where
state: State<A, B>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateProj)]
enum State<A, B>
where
A: Service,
@ -84,13 +84,11 @@ where
{
type Output = Result<B::Response, A::Error>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
State::A(fut, b) => match fut.poll(cx)? {
StateProj::A(fut, b) => match fut.poll(cx)? {
Poll::Ready(res) => {
let mut b = b.take().unwrap();
this.state.set(State::Empty); // drop fut A
@ -100,11 +98,11 @@ where
}
Poll::Pending => Poll::Pending,
},
State::B(fut) => fut.poll(cx).map(|r| {
StateProj::B(fut) => fut.poll(cx).map(|r| {
this.state.set(State::Empty);
r
}),
State::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
StateProj::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
}
}
}

10
actix-service/src/and_then_apply_fn.rs
View File

@ -98,7 +98,7 @@ where
state: State<A, B, F, Fut, Res, Err>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateProj)]
enum State<A, B, F, Fut, Res, Err>
where
A: Service,
@ -123,13 +123,11 @@ where
{
type Output = Result<Res, Err>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
State::A(fut, b) => match fut.poll(cx)? {
StateProj::A(fut, b) => match fut.poll(cx)? {
Poll::Ready(res) => {
let mut b = b.take().unwrap();
this.state.set(State::Empty);
@ -140,11 +138,11 @@ where
}
Poll::Pending => Poll::Pending,
},
State::B(fut) => fut.poll(cx).map(|r| {
StateProj::B(fut) => fut.poll(cx).map(|r| {
this.state.set(State::Empty);
r
}),
State::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
StateProj::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
}
}
}

10
actix-service/src/apply_cfg.rs
View File

@ -177,7 +177,7 @@ where
state: State<T, R, S>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateProj)]
enum State<T, R, S>
where
T: ServiceFactory<Config = ()>,
@ -200,20 +200,18 @@ where
{
type Output = Result<S, T::InitError>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
State::A(fut) => match fut.poll(cx)? {
StateProj::A(fut) => match fut.poll(cx)? {
Poll::Pending => Poll::Pending,
Poll::Ready(srv) => {
this.state.set(State::B(srv));
self.poll(cx)
}
},
State::B(srv) => match srv.poll_ready(cx)? {
StateProj::B(srv) => match srv.poll_ready(cx)? {
Poll::Ready(_) => {
let fut = (this.store.get_mut().1)(this.cfg.take().unwrap(), srv);
this.state.set(State::C(fut));
@ -221,7 +219,7 @@ where
}
Poll::Pending => Poll::Pending,
},
State::C(fut) => fut.poll(cx),
StateProj::C(fut) => fut.poll(cx),
}
}
}

10
actix-service/src/then.rs
View File

@ -66,7 +66,7 @@ where
state: State<A, B>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = StateProj)]
enum State<A, B>
where
A: Service,
@ -84,13 +84,11 @@ where
{
type Output = Result<B::Response, B::Error>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
State::A(fut, b) => match fut.poll(cx) {
StateProj::A(fut, b) => match fut.poll(cx) {
Poll::Ready(res) => {
let mut b = b.take().unwrap();
this.state.set(State::Empty); // drop fut A
@ -100,11 +98,11 @@ where
}
Poll::Pending => Poll::Pending,
},
State::B(fut) => fut.poll(cx).map(|r| {
StateProj::B(fut) => fut.poll(cx).map(|r| {
this.state.set(State::Empty);
r
}),
State::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
StateProj::Empty => panic!("future must not be polled after it returned `Poll::Ready`"),
}
}
}

8
actix-service/src/transform.rs
View File

@ -211,7 +211,7 @@ where
state: ApplyTransformFutureState<T, S>,
}
#[pin_project::pin_project]
#[pin_project::pin_project(project = ApplyTransformFutureStateProj)]
pub enum ApplyTransformFutureState<T, S>
where
S: ServiceFactory,
@ -228,13 +228,11 @@ where
{
type Output = Result<T::Transform, T::InitError>;
#[pin_project::project]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let mut this = self.as_mut().project();
#[project]
match this.state.as_mut().project() {
ApplyTransformFutureState::A(fut) => match fut.poll(cx)? {
ApplyTransformFutureStateProj::A(fut) => match fut.poll(cx)? {
Poll::Ready(srv) => {
let fut = this.store.0.new_transform(srv);
this.state.set(ApplyTransformFutureState::B(fut));
@ -242,7 +240,7 @@ where
}
Poll::Pending => Poll::Pending,
},
ApplyTransformFutureState::B(fut) => fut.poll(cx),
ApplyTransformFutureStateProj::B(fut) => fut.poll(cx),
}
}
}