syntax_data: {"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let pad_i32 = !offset.is_aligned(align);
context_before:     if arg.layout.is_aggregate() {
context_after:         arg.cast_to_and_pad_i32(Uniform::new(Reg::i32(), size), pad_i32);