diff options
| -rw-r--r-- | src/librustc_lint/unused.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/librustc_lint/unused.rs b/src/librustc_lint/unused.rs index 5ec8305de78..c32e9cdce0e 100644 --- a/src/librustc_lint/unused.rs +++ b/src/librustc_lint/unused.rs @@ -8,6 +8,7 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. +use rustc::hir::def::Def; use rustc::hir::def_id::DefId; use rustc::ty; use rustc::ty::adjustment; @@ -77,7 +78,12 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedResults { hir::ExprCall(ref callee, _) => { match callee.node { hir::ExprPath(ref qpath) => { - Some(cx.tables.qpath_def(qpath, callee.hir_id)) + let def = cx.tables.qpath_def(qpath, callee.hir_id); + if let Def::Fn(_) = def { + Some(def) + } else { // `Def::Local` if it was a closure, for which we + None // do not currently support must-use linting + } }, _ => None } |