Function number [src]

Prototype

pub fn number(self: *@This()) ?usize

Parameters

self: *@This()

Source

  pub fn number(self: *@This()) ?usize {
    var r: ?usize = null;
    while (self.peek(0)) |byte| {
        switch (byte) {
            '0'...'9' => {
                if (r == null) r = 0;
                r.? *= 10;
                r.? += byte - '0';
            },
            else => break,
        }
        self.i += 1;
    }
    return r;
}  