syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"self.src_hash.matches(&src).then(||"}]}
source_snippet:                 self.src_hash.matches(&src).then(|| {
context_before:                 // The src_hash needs to be computed on the pre-normalized src.
context_after:                     normalize_src(&mut src);