Macro bitcoin_units::impl_parse_str_from_int_infallible

macro_rules! impl_parse_str_from_int_infallible {
    ($to:ident, $inner:ident, $fn:ident) => { ... };
}

Implements FromStr and TryFrom<{&str, String, Box<str>}> for $to using parse::int, mapping the output using infallible conversion function fn.

The Error type is ParseIntError