syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"hasher:"}]}
source_snippet:         hasher: *mut llvm_blake3_hasher,
context_before:     pub fn llvm_blake3_hasher_init_derive_key_raw(
context_after:         context: *const ::libc::c_char,