pub fn int<'a, S: Clone + 'a>() -> impl Parser<'a, Output = usize, State = S>Expand description
Parses a decimal integer, excluding the sign in front.
run int “1” == Ok 1
run int “1234” == Ok 1234
run int “-789” == Err …
run int “0123” == Err …
run int “1.34” == Err …
run int “1e31” == Err …
run int “123a” == Err …
run int “0x1A” == Err …