syntax_data: {"ast_node_type":"other","tokens":[{"end":107,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                                 // It means the raw pointer inherits the tag of the box, which mostly works
context_before:                                 // to make Stacked Borrows compatible with custom allocator code.
context_after:                                 // but can sometimes lead to unexpected aliasing errors.