nandi/rustnim · 003-unsigned-wrapping.rs

⑂ 0a375d8ec0bfffe1baadd340864ab1ffa92fdb98

003-unsigned-wrapping.rs · 10 lines · 362 BRust    Blame HistoryRaw
Add the differential test runner, and a lowering to measure with it  nandithebull 1// DESIGN.md item 2: Nim's fixed-width unsigned arithmetic wraps silently,
2// matching Rust's wrapping_*, so these map to bare operators.
3fn main() {
4    let a: u8 = 200;
5    println!("{}", a.wrapping_add(100));
6    println!("{}", a.wrapping_sub(250));
7    println!("{}", a.wrapping_mul(3));
8    let b: u32 = 4294967295;
9    println!("{}", b.wrapping_add(2));

Add the differential test runner, and a lowering to measure with it 8ac32af nandithebull 20h ago	1	// DESIGN.md item 2: Nim's fixed-width unsigned arithmetic wraps silently,
	2	// matching Rust's wrapping_*, so these map to bare operators.
	3	fn main() {
	4	let a: u8 = 200;
	5	println!("{}", a.wrapping_add(100));
	6	println!("{}", a.wrapping_sub(250));
	7	println!("{}", a.wrapping_mul(3));
	8	let b: u32 = 4294967295;
	9	println!("{}", b.wrapping_add(2));
	10	}