syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // to transmute it to a `()` (though in this case does `()` really need any data to
context_before:             // For example, in a u8 to `()` transmutation, we have enough data available from the u8
context_after:             // begin with? It doesn't). Same thing with u8 to fieldless struct.