syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // type and do that same comparison.
context_before:                 // For a signed RHS, `IntToInt` cast to the equivalent unsigned
context_after:                 // A negative value will be *at least* 128 after the cast (that's i8::MIN),