25 lines
915 B
Rust
25 lines
915 B
Rust
// Copyright 2014 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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// Make sure that indexing an array is only valid with a `usize`, not any other
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// integral type.
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fn main() {
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fn bar<T>(_: T) {}
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[0][0u8]; //~ ERROR: `[{integer}]: std::ops::Index<u8>` is not satisfied
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[0][0]; // should infer to be a usize
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let i = 0; // i is an IntVar
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[0][i]; // i should be locked to usize
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bar::<isize>(i); // i should not be re-coerced back to an isize
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//~^ ERROR: mismatched types
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}
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