Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/ide_completion/src/context.rs16
-rw-r--r--crates/ide_completion/src/render/pattern.rs6
-rw-r--r--crates/ide_completion/src/tests/pattern.rs15
3 files changed, 29 insertions, 8 deletions
diff --git a/crates/ide_completion/src/context.rs b/crates/ide_completion/src/context.rs
index 0cb484d507..8fae06f7e2 100644
--- a/crates/ide_completion/src/context.rs
+++ b/crates/ide_completion/src/context.rs
@@ -58,6 +58,7 @@ pub(crate) struct PathCompletionContext {
pub(super) struct PatternContext {
pub(super) refutability: PatternRefutability,
pub(super) is_param: Option<ParamKind>,
+ pub(super) has_type_ascription: bool,
}
#[derive(Debug)]
@@ -708,15 +709,15 @@ impl<'a> CompletionContext<'a> {
return None;
}
let mut is_param = None;
- let refutability = bind_pat
+ let (refutability, has_type_ascription) = bind_pat
.syntax()
.ancestors()
.skip_while(|it| ast::Pat::can_cast(it.kind()))
.next()
- .map_or(PatternRefutability::Irrefutable, |node| {
- match_ast! {
+ .map_or((PatternRefutability::Irrefutable, false), |node| {
+ let refutability = match_ast! {
match node {
- ast::LetStmt(__) => PatternRefutability::Irrefutable,
+ ast::LetStmt(let_) => return (PatternRefutability::Irrefutable, let_.ty().is_some()),
ast::Param(param) => {
let is_closure_param = param
.syntax()
@@ -729,16 +730,17 @@ impl<'a> CompletionContext<'a> {
} else {
ParamKind::Function
});
- PatternRefutability::Irrefutable
+ return (PatternRefutability::Irrefutable, param.ty().is_some())
},
ast::MatchArm(__) => PatternRefutability::Refutable,
ast::Condition(__) => PatternRefutability::Refutable,
ast::ForExpr(__) => PatternRefutability::Irrefutable,
_ => PatternRefutability::Irrefutable,
}
- }
+ };
+ (refutability, false)
});
- Some(PatternContext { refutability, is_param })
+ Some(PatternContext { refutability, is_param, has_type_ascription })
}
fn classify_name_ref(
diff --git a/crates/ide_completion/src/render/pattern.rs b/crates/ide_completion/src/render/pattern.rs
index b703280620..2b4c919493 100644
--- a/crates/ide_completion/src/render/pattern.rs
+++ b/crates/ide_completion/src/render/pattern.rs
@@ -85,7 +85,11 @@ fn render_pat(
if matches!(
ctx.completion.pattern_ctx,
- Some(PatternContext { is_param: Some(ParamKind::Function), .. })
+ Some(PatternContext {
+ is_param: Some(ParamKind::Function),
+ has_type_ascription: false,
+ ..
+ })
) {
pat.push(':');
pat.push(' ');
diff --git a/crates/ide_completion/src/tests/pattern.rs b/crates/ide_completion/src/tests/pattern.rs
index 3e10575b19..6dd1b66998 100644
--- a/crates/ide_completion/src/tests/pattern.rs
+++ b/crates/ide_completion/src/tests/pattern.rs
@@ -163,6 +163,21 @@ fn foo(a$0) {
ma makro!(…) #[macro_export] macro_rules! makro
"##]],
);
+ check(
+ r#"
+fn foo(a$0: Tuple) {
+}
+"#,
+ expect![[r##"
+ kw mut
+ bn Record Record { field$1 }$0
+ st Record
+ bn Tuple Tuple($1)$0
+ st Tuple
+ st Unit
+ ma makro!(…) #[macro_export] macro_rules! makro
+ "##]],
+ );
}
#[test]