syntax_data: {"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let mut map = x86::regclass_map();
context_before:         InlineAsmArch::X86 | InlineAsmArch::X86_64 => {
context_after:             x86::fill_reg_map(arch, reloc_model, target_features, target, &mut map);