syntax_data: {"ast_node_type":"function","tokens":[{"end":65,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn from_str_and_span(string: &str, span: Span) -> Ident {
context_before:     /// Maps a string and a span to an identifier.
context_after:         Ident::new(Symbol::intern(string), span)