diff options
| author | Seo Sanghyeon <sanxiyn@gmail.com> | 2016-11-29 00:46:09 +0900 |
|---|---|---|
| committer | Seo Sanghyeon <sanxiyn@gmail.com> | 2016-12-15 18:35:20 +0900 |
| commit | 75cd69cf95a69a5ccd6f51c63df9ed1e9182bd8f (patch) | |
| tree | d9da0cae9b3bc48abc04be1d484a8c3dff71376f | |
| parent | a75909824ac703f75b53ce9cf36e2922869fe37b (diff) | |
| download | rust-75cd69cf95a69a5ccd6f51c63df9ed1e9182bd8f.tar.gz rust-75cd69cf95a69a5ccd6f51c63df9ed1e9182bd8f.zip | |
Warn unused type aliases
| -rw-r--r-- | src/librustc/middle/dead.rs | 1 | ||||
| -rw-r--r-- | src/librustc_data_structures/graph/tests.rs | 2 | ||||
| -rw-r--r-- | src/test/compile-fail/issue-32119.rs | 1 | ||||
| -rw-r--r-- | src/test/compile-fail/lint-dead-code-type-alias.rs | 20 | ||||
| -rw-r--r-- | src/test/compile-fail/macro-tt-matchers.rs | 1 |
5 files changed, 23 insertions, 2 deletions
diff --git a/src/librustc/middle/dead.rs b/src/librustc/middle/dead.rs index eb494685f49..1c5dd97b74b 100644 --- a/src/librustc/middle/dead.rs +++ b/src/librustc/middle/dead.rs @@ -413,6 +413,7 @@ impl<'a, 'tcx> DeadVisitor<'a, 'tcx> { hir::ItemStatic(..) | hir::ItemConst(..) | hir::ItemFn(..) + | hir::ItemTy(..) | hir::ItemEnum(..) | hir::ItemStruct(..) | hir::ItemUnion(..) => true, diff --git a/src/librustc_data_structures/graph/tests.rs b/src/librustc_data_structures/graph/tests.rs index a87410e6e1c..bdefc39a61a 100644 --- a/src/librustc_data_structures/graph/tests.rs +++ b/src/librustc_data_structures/graph/tests.rs @@ -11,8 +11,6 @@ use graph::*; use std::fmt::Debug; -type TestNode = Node<&'static str>; -type TestEdge = Edge<&'static str>; type TestGraph = Graph<&'static str, &'static str>; fn create_graph() -> TestGraph { diff --git a/src/test/compile-fail/issue-32119.rs b/src/test/compile-fail/issue-32119.rs index 4743b779ef6..e630a01a593 100644 --- a/src/test/compile-fail/issue-32119.rs +++ b/src/test/compile-fail/issue-32119.rs @@ -9,6 +9,7 @@ // except according to those terms. #![feature(rustc_attrs)] +#![allow(dead_code)] pub type T = (); mod foo { pub use super::T; } diff --git a/src/test/compile-fail/lint-dead-code-type-alias.rs b/src/test/compile-fail/lint-dead-code-type-alias.rs new file mode 100644 index 00000000000..aaa01aa6bbe --- /dev/null +++ b/src/test/compile-fail/lint-dead-code-type-alias.rs @@ -0,0 +1,20 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![deny(dead_code)] + +type Used = u8; +type Unused = u8; //~ ERROR type alias is never used + +fn id(x: Used) -> Used { x } + +fn main() { + id(0); +} diff --git a/src/test/compile-fail/macro-tt-matchers.rs b/src/test/compile-fail/macro-tt-matchers.rs index 945490cefb9..969f1500717 100644 --- a/src/test/compile-fail/macro-tt-matchers.rs +++ b/src/test/compile-fail/macro-tt-matchers.rs @@ -9,6 +9,7 @@ // except according to those terms. #![feature(rustc_attrs)] +#![allow(dead_code)] macro_rules! foo { ($x:tt) => (type Alias = $x<i32>;) |