tiny.simd.findFirstTrue

1/// Returns the lowest true lane, or -1 when no lane is true. The mask selects2/// lane indices and a minimum reduction picks the first, which compiles to a3/// few vector instructions. Walking the lanes of an array copy, or bitcasting4/// the mask to an integer, scalarizes under the pinned compiler.5pub fn findFirstTrue(comptime D: type, mask: D.Mask) isize {6    const index = std.simd.firstTrue(mask) orelse return -1;7    return @intCast(index);8}

1pub const findFirstTrue = compare.findFirstTrue;