syntax_data: {"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let flen = match &cx.target_spec().llvm_abiname[..] {
context_before:     let xlen = cx.data_layout().pointer_size().bits();
context_after:         "ilp32f" | "lp64f" => 32,