syntax_data: {"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn parse_data_layout(&self) -> Result<TargetDataLayout, TargetDataLayoutErrors<'_>> {
context_before: impl Target {
context_after:         let mut dl = TargetDataLayout::parse_from_llvm_datalayout_string(