syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // to support include_bytes! with large files. But since Rust allocators are
context_before:     // never having two copies of the data in memory at once. This is an optimization
context_after:     // sensitive to alignment, our implementation can't be bootstrapped off calling