rt_format::parser

Function parse_specifier

Source 
pub fn parse_specifier<V, S>(
    spec_str: &str,
    value_src: &mut S,
) -> Result<Specifier, ()>
where
    V: FormatArgument,
    S: ArgumentSource<V>,
Expand description

Parses only the format specifier portion of a format argument. For example, in a format argument specification {foo:#X}, this function would parse only the #X part.