syntax_data: {"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let mut dl = TargetDataLayout::parse_from_llvm_datalayout_string(
context_before:     pub fn parse_data_layout(&self) -> Result<TargetDataLayout, TargetDataLayoutErrors<'_>> {
context_after:             &self.data_layout,