syntax_data: {"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn instantiate_float_var_raw(&self, vid: ty::FloatVid, value: ty::FloatVarValue);
context_before:     fn instantiate_int_var_raw(&self, vid: ty::IntVid, value: ty::IntVarValue);
context_after:     fn instantiate_const_var_raw<R: PredicateEmittingRelation<Self>>(