syntax_data: {"ast_node_type":"function","tokens":[{"end":60,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn primitive_size(self, tcx: TyCtxt<'tcx>) -> Size {
context_before:     /// Returns the `Size` for primitive types (bool, uint, int, char, float).
context_after:         match *self.kind() {