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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

next

Public Function
std.bit_set.Integer.SingleWordIterator.next
pub fn next(self: *IterSelf) ?usize

Returns the index of the next unvisited set bit in the bit set, in ascending order.

Params

File

bit_set.zig:293
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                pub fn next(self: *IterSelf) ?usize {
                    if (self.bits_remain == 0) return null;

                    switch (direction) {
                        .forward => {
                            const next_index = @ctz(self.bits_remain);
                            self.bits_remain &= self.bits_remain - 1;
                            return next_index;
                        },
                        .reverse => {
                            const leading_zeroes = @clz(self.bits_remain);
                            const top_bit = (@bitSizeOf(MaskInt) - 1) - leading_zeroes;
                            self.bits_remain &= (@as(MaskInt, 1) << @as(ShiftInt, @intCast(top_bit))) - 1;
                            return top_bit;
                        },
                    }
                }