22 lines
726 B
Rust
22 lines
726 B
Rust
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// 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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// Regression test: even though `Ok` is dead-code, its type needs to
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// be influenced by the result of `Err` or else we get a "type
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// variable unconstrained" error.
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fn main() {
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let _ = if false {
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Ok(return)
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} else {
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Err("")
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};
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}
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