3766453a42
This pass is purely AST based, and by running it earlier we emit more useful error messages, e.g. type inference fails in the case of `let r = break;` with few constraints on `r`, but its more useful to be told that the `break` is outside a loop (rather than a type error) when it is. Closes #13292.
36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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struct Foo {
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t: ~str
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}
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fn cond() -> bool { true }
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fn foo(_: ||) {}
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fn main() {
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let pth = break; //~ ERROR: `break` outside of loop
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if cond() { continue } //~ ERROR: `continue` outside of loop
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while cond() {
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if cond() { break }
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if cond() { continue }
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foo(|| {
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if cond() { break } //~ ERROR: `break` inside of a closure
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if cond() { continue } //~ ERROR: `continue` inside of a closure
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})
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}
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let rs: Foo = Foo{t: pth};
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let unconstrained = break; //~ ERROR: `break` outside of loop
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}
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