syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":".map(|p|"}]}
source_snippet:         .map(|p| PathBuf::from(p).join("bin"))
context_before:     let prefix = env::var_os(&*ENV_LLVM_PREFIX)
context_after:         .unwrap_or_default();