syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // in order to place the projections inside the `<...>`.
context_before:                 // HACK(eddyb) this duplicates `FmtPrinter`'s `path_generic_args`,
context_after:                 if !resugared {