syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"ty::Dynamic(..)"}]}
source_snippet:                     ty::Dynamic(..) => {
context_before:                     ty::Slice(_) | ty::Str => scalar_unit(Int(dl.ptr_sized_integer(), false)),
context_after:                         let mut vtable = scalar_unit(Pointer(AddressSpace::ZERO));