[−][src]Function dprint_core::configuration::get_nullable_value
pub fn get_nullable_value<T>(
config: &mut ConfigKeyMap,
key: &'static str,
diagnostics: &mut Vec<ConfigurationDiagnostic>
) -> Option<T> where
T: FromStr,
<T as FromStr>::Err: Display,
If the provided key exists, takes its value from the provided config and returns it. If the provided key does not exist, it returns None. Adds a diagnostic if there is any problem deserializing the value.