syntax_data: {"ast_node_type":"function","tokens":[{"end":69,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn unaligned_size<C: HasDataLayout>(&self, _cx: &C) -> Size {
context_before:     /// otherwise, use the safer `size` method.
context_after:         // Prefix arguments are passed in specific designated registers