32 lines
856 B
Zig
32 lines
856 B
Zig
pub enum Cmp {
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Equal,
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Greater,
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Less,
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}
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pub fn min(x: var, y: var) -> @typeOf(x + y) {
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if (x < y) x else y
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}
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pub fn max(x: var, y: var) -> @typeOf(x + y) {
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if (x > y) x else y
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}
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pub error Overflow;
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pub fn mulOverflow(inline T: type, a: T, b: T) -> %T {
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var answer: T = undefined;
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if (@mulWithOverflow(T, a, b, &answer)) error.Overflow else answer
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}
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pub fn addOverflow(inline T: type, a: T, b: T) -> %T {
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var answer: T = undefined;
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if (@addWithOverflow(T, a, b, &answer)) error.Overflow else answer
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}
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pub fn subOverflow(inline T: type, a: T, b: T) -> %T {
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var answer: T = undefined;
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if (@subWithOverflow(T, a, b, &answer)) error.Overflow else answer
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}
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pub fn shlOverflow(inline T: type, a: T, b: T) -> %T {
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var answer: T = undefined;
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if (@shlWithOverflow(T, a, b, &answer)) error.Overflow else answer
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}
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