syntax_data: {"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let fname_ptr = info.dli_fname.as_ptr();
context_before:                 #[cfg(target_os = "cygwin")]
context_after:                 #[cfg(not(target_os = "cygwin"))]