fix clippy::unnecessary_filter_map

2020-12-11 19:13:16 +01:00 · 2020-12-11 19:13:16 +01:00 · cf10a0abf2
commit cf10a0abf2
parent 5833f74a9c
1 changed files with 1 additions and 4 deletions
--- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
@ -597,10 +597,7 @@ fn create_derived_impl(

            let mut ty_params = params
                .iter()
-                .filter_map(|param| match param.kind {
-                    ast::GenericParamKind::Type { .. } => Some(param),
-                    _ => None,
-                })
+                .filter(|param| matches!(param.kind,  ast::GenericParamKind::Type{..}))
                .peekable();

            if ty_params.peek().is_some() {