syntax_data: {"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let linker_param = format!("-L{target_dir}/{arch_lib_dir}/io-sock/lib");
context_before:         .unwrap_or_else(|_| "QNX_TARGET_not_set_please_source_qnxsdp-env.sh".into());