syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"("}]}
source_snippet:             (
context_before:             (Self::TargetTuple(l0), Self::TargetTuple(r0)) => l0 == r0,
context_after:                 Self::TargetJson { path_for_rustdoc: _, tuple: l_tuple, contents: l_contents },