syntax_data: {"ast_node_type":"variable","tokens":[{"end":51,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let eligible = if leaf_def.is_final() {
context_before:             // `rustc_trait_selection::traits::project::assemble_candidates_from_impls()`.
context_after:                 // Non-specializable items are always projectable.