syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// metadata. If it can't be determined exactly (perhaps due to still
context_before:     /// Given a pointer or reference type, returns the type of the *pointee*'s
context_after:     /// being generic) then a projection through `ptr::Pointee` will be returned.