f3ee99bd4d
The type equation in projection takes place under a binder and a snapshot, which we can't easily take types out of. Instead, when encountering a projection error, try to re-do the projection and find the type error then. This fails to produce a sane type error when the failure was a "leak_check" failure. I can't think of a sane way to show *these*, so I just left them use the old crappy representation, and added a test to make sure we don't break them.
28 lines
846 B
Rust
28 lines
846 B
Rust
// Copyright 2016 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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use std::vec::IntoIter;
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pub fn get_tok(it: &mut IntoIter<u8>) {
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let mut found_e = false;
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let temp: Vec<u8> = it.take_while(|&x| {
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found_e = true;
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false
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})
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.cloned()
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//~^ ERROR type mismatch resolving
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//~| expected type `u8`
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//~| found type `&_`
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.collect(); //~ ERROR no method named `collect`
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}
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fn main() {}
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