diff options
| -rw-r--r-- | src/librustc_lint/bad_style.rs | 4 | ||||
| -rw-r--r-- | src/test/run-pass/issue-46959.rs | 20 |
2 files changed, 23 insertions, 1 deletions
diff --git a/src/librustc_lint/bad_style.rs b/src/librustc_lint/bad_style.rs index 0303b503691..494bbfa297e 100644 --- a/src/librustc_lint/bad_style.rs +++ b/src/librustc_lint/bad_style.rs @@ -128,7 +128,9 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NonCamelCaseTypes { fn check_generic_param(&mut self, cx: &LateContext, param: &hir::GenericParam) { if let hir::GenericParam::Type(ref gen) = *param { - self.check_case(cx, "type parameter", gen.name, gen.span); + if gen.synthetic.is_none() { + self.check_case(cx, "type parameter", gen.name, gen.span); + } } } } diff --git a/src/test/run-pass/issue-46959.rs b/src/test/run-pass/issue-46959.rs new file mode 100644 index 00000000000..0826f5e4923 --- /dev/null +++ b/src/test/run-pass/issue-46959.rs @@ -0,0 +1,20 @@ +// Copyright 2018 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. + +#![feature(universal_impl_trait)] +#![feature(conservative_impl_trait)] +#![deny(non_camel_case_types)] + +#[allow(dead_code)] +fn qqq(lol: impl Iterator<Item=u32>) -> impl Iterator<Item=u64> { + lol.map(|x|x as u64) +} + +fn main() {} |