Simlify with matches!()

4 files changed, 4 insertions, 16 deletions

diff --git a/crates/ra_parser/src/grammar.rs b/crates/ra_parser/src/grammar.rs
index 293baecf6..caedeead0 100644
--- a/crates/ra_parser/src/grammar.rs
+++ b/crates/ra_parser/src/grammar.rs
@@ -73,10 +73,7 @@ pub(crate) mod fragments {
     // Parse a meta item , which excluded [], e.g : #[ MetaItem ]
     pub(crate) fn meta_item(p: &mut Parser) {
         fn is_delimiter(p: &mut Parser) -> bool {
-            match p.current() {
-                T!['{'] | T!['('] | T!['['] => true,
-                _ => false,
-            }
+            matches!(p.current(), T!['{'] | T!['('] | T!['['])
         }
 
         if is_delimiter(p) {
diff --git a/crates/ra_parser/src/grammar/paths.rs b/crates/ra_parser/src/grammar/paths.rs
index fd51189d5..b503af1dc 100644
--- a/crates/ra_parser/src/grammar/paths.rs
+++ b/crates/ra_parser/src/grammar/paths.rs
@@ -41,10 +41,7 @@ fn path(p: &mut Parser, mode: Mode) {
     path_segment(p, mode, true);
     let mut qual = path.complete(p, PATH);
     loop {
-        let use_tree = match p.nth(2) {
-            T![*] | T!['{'] => true,
-            _ => false,
-        };
+        let use_tree = matches!(p.nth(2), T![*] | T!['{']);
         if p.at(T![::]) && !use_tree {
             let path = qual.precede(p);
             p.bump(T![::]);
diff --git a/crates/ra_parser/src/grammar/type_params.rs b/crates/ra_parser/src/grammar/type_params.rs
index 325d566ad..d1330d4b9 100644
--- a/crates/ra_parser/src/grammar/type_params.rs
+++ b/crates/ra_parser/src/grammar/type_params.rs
@@ -169,10 +169,7 @@ fn is_where_predicate(p: &mut Parser) -> bool {
 }
 
 fn is_where_clause_end(p: &mut Parser) -> bool {
-    match p.current() {
-        T!['{'] | T![;] | T![=] => true,
-        _ => false,
-    }
+    matches!(p.current(), T!['{'] | T![;] | T![=])
 }
 
 fn where_predicate(p: &mut Parser) {
diff --git a/crates/ra_parser/src/syntax_kind.rs b/crates/ra_parser/src/syntax_kind.rs
index 8d6bd057b..63204436c 100644
--- a/crates/ra_parser/src/syntax_kind.rs
+++ b/crates/ra_parser/src/syntax_kind.rs
@@ -20,9 +20,6 @@ impl From<SyntaxKind> for u16 {
 
 impl SyntaxKind {
     pub fn is_trivia(self) -> bool {
-        match self {
-            SyntaxKind::WHITESPACE | SyntaxKind::COMMENT => true,
-            _ => false,
-        }
+        matches!(self, SyntaxKind::WHITESPACE | SyntaxKind::COMMENT)
     }
 }