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)) |code_point| {
        switch (code_point) {
            '0'...'9' => {
                if (r == null) r = 0;
                r.? *= 10;
                r.? += code_point - '0';
            },
            else => break,
        }
        _ = self.iter.nextCodepoint();
    }

    return r;
}  