syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // argument was passed indirectly. (If the argument is passed directly, it's an SSA
context_before:             // The `readonly` parameter only applies to pointers, so we can only do this if the
context_after:             // value, so it's implicitly immutable.)