syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"($struct_name:ident,"}]}
source_snippet:     ($struct_name:ident, $tmod_enum_name:ident, $opt:ident, $v:ident) => {
context_before: macro_rules! tmod_enum_opt {
context_after:         Some(OptionsTargetModifiers::$struct_name($tmod_enum_name::$opt))