syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                             // Filter out projections that are implied by the super predicates.
context_before:                         .filter(|&proj| {
context_after:                             let proj_is_implied = super_projections.iter().any(|&super_proj| {