syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // `Foo+Bar+Zed` must be met, not just one, hence if we write
context_before:         // all met. (Remember that *all bounds* in a type like
context_after:         // `Foo<'x>+Bar<'y>`, we know that the type outlives *both* 'x and