Function nextArg [src]

Prototype

pub fn nextArg(self: *@This(), arg_index: ?usize) ?usize

Parameters

self: *@This()arg_index: ?usize

Source

  pub fn nextArg(self: *@This(), arg_index: ?usize) ?usize {
    const next_index = arg_index orelse init: {
        const arg = self.next_arg;
        self.next_arg += 1;
        break :init arg;
    };

    if (next_index >= self.args_len) {
        return null;
    }

    // Mark this argument as used
    self.used_args |= @as(ArgSetType, 1) << @as(u5, @intCast(next_index));
    return next_index;
}  