diff --git a/src/test/compile-fail/unboxed-closure-illegal-move.rs b/src/test/compile-fail/unboxed-closure-illegal-move.rs new file mode 100644 index 0000000000000..9e981f2c9bb02 --- /dev/null +++ b/src/test/compile-fail/unboxed-closure-illegal-move.rs @@ -0,0 +1,44 @@ +// Copyright 2014 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. + +#![feature(unboxed_closures)] + +// Tests that we can't move out of an unboxed closure environment +// if the upvar is captured by ref or the closure takes self by +// reference. + +fn main() { + // By-ref cases + { + let x = box 0u; + let f = |&:| drop(x); //~ cannot move + } + { + let x = box 0u; + let f = |&mut:| drop(x); //~ cannot move + } + { + let x = box 0u; + let f = |:| drop(x); //~ cannot move + } + // By-value cases + { + let x = box 0u; + let f = move |&:| drop(x); //~ cannot move + } + { + let x = box 0u; + let f = move |&mut:| drop(x); //~ cannot move + } + { + let x = box 0u; + let f = move |:| drop(x); // this one is ok + } +}