syntax_data: {"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// (corresponding to LLVM's dereferenceable_or_null attributes, i.e., it is okay for this to be
context_before:     /// The minimum size of the pointee, guaranteed to be valid for the duration of the whole call
context_after:     /// set on a null pointer, but all non-null pointers must be dereferenceable).