17 lines
526 B
Zig
17 lines
526 B
Zig
const expect = @import("std").testing.expect;
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// Like `return`, `break` accepts a value. This can be used to yield a value from a loop.
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// Loops in Zig also have an `else` branch, which is evaluated when the loop is not exited with a `break`.
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fn rangeHasNumber(begin: usize, end: usize, number: usize) bool {
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var i = begin;
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return while (i < end) : (i += 1) {
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if (i == number) {
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break true;
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}
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} else false;
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}
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test "while loop expression" {
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try expect(rangeHasNumber(0, 10, 3));
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}
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