syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // Has to be either Debug or Release
context_before: fn is_llvm_debug(llvm_config_path: &Path) -> bool {
context_after:     llvm_config(llvm_config_path, ["--build-mode"]).contains("Debug")