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Catch associated consts that depend on type parameters in type checking.
Constants with values that depend on generic parameters or `Self` cause ICEs in `check_const`, and are not yet accepted via RFC, so we need to throw a proper error in these cases.
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// 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 <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. | ||
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#![feature(associated_consts)] | ||
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pub trait Foo { | ||
const MIN: i32; | ||
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fn get_min() -> i32 { | ||
Self::MIN //~ Associated consts cannot depend on type parameters or Self. | ||
} | ||
} | ||
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fn get_min<T: Foo>() -> i32 { | ||
T::MIN; //~ Associated consts cannot depend on type parameters or Self. | ||
<T as Foo>::MIN //~ Associated consts cannot depend on type parameters or Self. | ||
} | ||
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fn main() {} |