Function sval::default_stream::record_tuple_value_begin
source · pub fn record_tuple_value_begin<'sval>(
stream: &mut (impl Stream<'sval> + ?Sized),
tag: Option<&Tag>,
label: &Label<'_>,
index: &Index
) -> Result
Expand description
Begin a field in a type that may be treated as either a record or a tuple.