| // Copyright 2012 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. |
| |
| // Tests that methods that implement a trait cannot be invoked |
| // unless the trait is imported. |
| |
| mod Lib { |
| pub trait TheTrait { |
| fn the_fn(&self); |
| } |
| |
| pub struct TheStruct; |
| |
| impl TheTrait for TheStruct { |
| fn the_fn(&self) {} |
| } |
| } |
| |
| mod Import { |
| // Trait is in scope here: |
| use Lib::TheStruct; |
| use Lib::TheTrait; |
| |
| fn call_the_fn(s: &TheStruct) { |
| s.the_fn(); |
| } |
| } |
| |
| mod NoImport { |
| // Trait is not in scope here: |
| use Lib::TheStruct; |
| |
| fn call_the_fn(s: &TheStruct) { |
| s.the_fn(); //~ ERROR no method named `the_fn` found |
| } |
| } |
| |
| fn main() {} |