syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // all met. (Remember that *all bounds* in a type like
context_before:         // "master bound" that *implies* that bounds from other traits are
context_after:         // `Foo+Bar+Zed` must be met, not just one, hence if we write