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Use if let

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This commit is contained in:
Seo Sanghyeon 2015-10-28 01:08:46 +09:00
parent 908979d53d
commit fb7e325900
2 changed files with 6 additions and 13 deletions
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7
src/librustc_lint/types.rs
View File

@ -659,10 +659,8 @@ impl LateLintPass for ImproperCTypes {
}
}
match it.node {
hir::ItemForeignMod(ref nmod)
if nmod.abi != abi::RustIntrinsic &&
nmod.abi != abi::PlatformIntrinsic => {
if let hir::ItemForeignMod(ref nmod) = it.node {
if nmod.abi != abi::RustIntrinsic && nmod.abi != abi::PlatformIntrinsic {
for ni in &nmod.items {
match ni.node {
hir::ForeignItemFn(ref decl, _) => check_foreign_fn(cx, &**decl),
@ -670,7 +668,6 @@ impl LateLintPass for ImproperCTypes {
}
}
}
_ => (),
}
}
}

12
src/librustc_lint/unused.rs
View File

@ -220,15 +220,11 @@ impl LintPass for PathStatements {
impl LateLintPass for PathStatements {
fn check_stmt(&mut self, cx: &LateContext, s: &hir::Stmt) {
match s.node {
hir::StmtSemi(ref expr, _) => {
match expr.node {
hir::ExprPath(..) => cx.span_lint(PATH_STATEMENTS, s.span,
"path statement with no effect"),
_ => ()
}
if let hir::StmtSemi(ref expr, _) = s.node {
if let hir::ExprPath(..) = expr.node {
cx.span_lint(PATH_STATEMENTS, s.span,
"path statement with no effect");
}
_ => ()
}
}
}