language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-08-23 11:54:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

hide root

Browse source
This commit is contained in:
Aleksey Kladov 2018-08-17 21:10:55 +03:00
parent ed7ae78c6f
commit 70097504f7
10 changed files with 91 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

6
crates/libsyntax2/src/algo/visit.rs
View file

@ -1,5 +1,5 @@
use std::marker::PhantomData;
use {SyntaxNodeRef, AstNode, SyntaxRoot};
use {SyntaxNodeRef, AstNode, RefRoot};
pub fn visitor<'a, T>() -> impl Visitor<'a, Output=T> {
@ -10,7 +10,7 @@ pub trait Visitor<'a>: Sized {
type Output;
fn accept(self, node: SyntaxNodeRef<'a>) -> Option<Self::Output>;
fn visit<N, F>(self, f: F) -> Vis<Self, N, F>
where N: AstNode<&'a SyntaxRoot>,
where N: AstNode<RefRoot<'a>>,
F: FnOnce(N) -> Self::Output,
{
Vis { inner: self, f, ph: PhantomData }
@ -40,7 +40,7 @@ pub struct Vis<V, N, F> {
impl<'a, V, N, F> Visitor<'a> for Vis<V, N, F>
where
V: Visitor<'a>,
N: AstNode<&'a SyntaxRoot>,
N: AstNode<RefRoot<'a>>,
F: FnOnce(N) -> <V as Visitor<'a>>::Output,
{
type Output = <V as Visitor<'a>>::Output;