Zig 0.17.0-dev (Split by item)

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insertionContext

Stable in-place sort. O(n) best case, O(pow(n, 2)) worst case. O(1) memory (no allocator required). context must have methods swap and lessThan, which each take 2 usize parameters indicating the index of an item. Sorts in ascending order with respect to lessThan.

sort.insertionContext

pub fn insertionContext(a: usize, b: usize, context: anytype) void

File

lib/std/sort.zig:42

Code

pub fn insertionContext(a: usize, b: usize, context: anytype) void {
    assert(a <= b);

    var i = a + 1;
    while (i < b) : (i += 1) {
        var j = i;
        while (j > a and context.lessThan(j, j - 1)) : (j -= 1) {
            context.swap(j, j - 1);
        }
    }
}