01d2b4ab6b
This uncovered a lot of bugs in compiletest and also some shortcomings of our existing JSON output. We had to add information to the JSON output, such as suggested text and macro backtraces. We also had to fix various bugs in the existing tests. Joint work with jntrnr.
40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
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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use std::ops::Range;
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trait Itble<'r, T, I: Iterator<Item=T>> { fn iter(&'r self) -> I; }
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impl<'r> Itble<'r, usize, Range<usize>> for (usize, usize) {
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fn iter(&'r self) -> Range<usize> {
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let &(min, max) = self;
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min..max
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}
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}
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fn check<'r, I: Iterator<Item=usize>, T: Itble<'r, usize, I>>(cont: &T) -> bool
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//~^ HELP as shown: fn check<'r, I: Iterator<Item = usize>, T: Itble<'r, usize, I>>(cont: &'r T)
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{
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let cont_iter = cont.iter();
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//~^ ERROR cannot infer an appropriate lifetime for autoref due to conflicting requirements
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let result = cont_iter.fold(Some(0), |state, val| {
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state.map_or(None, |mask| {
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let bit = 1 << val;
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if mask & bit == 0 {Some(mask|bit)} else {None}
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})
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});
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result.is_some()
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}
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fn main() {
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check((3, 5));
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//~^ ERROR mismatched types
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}
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