nandi/rustnim · 016-signed-overflow-traps.rs

⑂ 428f3741e2904549bd0157081162006f3952b324

016-signed-overflow-traps.rs · 9 lines · 311 BRust    Blame HistoryRaw
Add the differential test runner, and a lowering to measure with it  nandithebull 1// DESIGN.md item 3, settled: this project models rustc's *debug* profile,
2// where signed overflow panics. Nim's default build traps it too, so the two
3// agree — including on the exit code.
4fn main() {
5    let mut x: i32 = 2147483647;
6    println!("{}", x);
7    x += 1;
8    println!("unreachable {}", x);

Add the differential test runner, and a lowering to measure with it 8ac32af nandithebull 17h ago	1	// DESIGN.md item 3, settled: this project models rustc's debug profile,
	2	// where signed overflow panics. Nim's default build traps it too, so the two
	3	// agree — including on the exit code.
	4	fn main() {
	5	let mut x: i32 = 2147483647;
	6	println!("{}", x);
	7	x += 1;
	8	println!("unreachable {}", x);
	9	}