syntax_data: {"ast_node_type":"variable","tokens":[{"end":17,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let hdr =
context_before:     pub fn split(self) -> (ty::Binder<I, FnSigTys<I>>, FnHeader<I>) {
context_after:             FnHeader { c_variadic: self.c_variadic(), safety: self.safety(), abi: self.abi() };