Zig 0.17.0-dev (Split by item)

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findLastForward

block.findLastForward

fn findLastForward(
    comptime T: type,
    items: []T,
    value: T,
    range: Range,
    unique: usize,
    context: anytype,
    comptime lessThan: fn (@TypeOf(context), lhs: T, rhs: T) bool,
) usize

File

lib/std/sort/block.zig:895

Code

fn findLastForward(
    comptime T: type,
    items: []T,
    value: T,
    range: Range,
    unique: usize,
    context: anytype,
    comptime lessThan: fn (@TypeOf(context), lhs: T, rhs: T) bool,
) usize {
    if (range.length() == 0) return range.start;
    const skip = @max(range.length() / unique, @as(usize, 1));

    var index = range.start + skip;
    while (!lessThan(context, value, items[index - 1])) : (index += skip) {
        if (index >= range.end - skip) {
            return binaryLast(T, items, value, Range.init(index, range.end), context, lessThan);
        }
    }

    return binaryLast(T, items, value, Range.init(index - skip, index), context, lessThan);
}