syntax_data: {"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"const"}]}
source_snippet:         const CC  = 1 << 0;
context_before:         /// Invoke the linker via a C/C++ compiler (e.g. on most unix targets).
context_after:         /// Use the lld linker, either the system lld or the self-contained linker `rust-lld`.