From 232d145a78a4fdf8e9f89c053dc7db66e36b4ab8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marvin=20L=C3=B6bel?= Date: Mon, 30 Nov 2015 18:16:27 +0100 Subject: [PATCH] Added a test for #[cfg] on non-optional positions --- src/test/compile-fail/cfg-non-opt-expr.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/test/compile-fail/cfg-non-opt-expr.rs diff --git a/src/test/compile-fail/cfg-non-opt-expr.rs b/src/test/compile-fail/cfg-non-opt-expr.rs new file mode 100644 index 00000000000..d9d379ddc7d --- /dev/null +++ b/src/test/compile-fail/cfg-non-opt-expr.rs @@ -0,0 +1,18 @@ +// Copyright 2015 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +fn main() { + let _ = #[cfg(unset)] (); + //~^ ERROR removing an expression is not supported in this position + let _ = 1 + 2 + #[cfg(unset)] 3; + //~^ ERROR removing an expression is not supported in this position + let _ = [1, 2, 3][#[cfg(unset)] 1]; + //~^ ERROR removing an expression is not supported in this position +}