59 lines
1.3 KiB
Rust
59 lines
1.3 KiB
Rust
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// 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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// A first "spike" for incremental compilation: here, we change the
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// content of the `make` function, and we find that we can reuse the
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// `y` module entirely (but not the `x` module).
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// revisions:rpass1 rpass2
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#![feature(rustc_attrs)]
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#![rustc_partition_reused(module="spike", cfg="rpass2")]
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#![rustc_partition_translated(module="spike-x", cfg="rpass2")]
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#![rustc_partition_reused(module="spike-y", cfg="rpass2")]
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mod x {
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pub struct X {
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x: u32, y: u32,
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}
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#[cfg(rpass1)]
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fn make() -> X {
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X { x: 22, y: 0 }
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}
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#[cfg(rpass2)]
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fn make() -> X {
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X { x: 11, y: 11 }
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}
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pub fn new() -> X {
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make()
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}
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pub fn sum(x: &X) -> u32 {
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x.x + x.y
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}
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}
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mod y {
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use x;
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pub fn assert_sum() -> bool {
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let x = x::new();
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x::sum(&x) == 22
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}
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}
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pub fn main() {
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y::assert_sum();
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}
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