Module rustc_hir_analysis::collect::resolve_bound_vars

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Resolution of early vs late bound lifetimes.

Name resolution for lifetimes is performed on the AST and embedded into HIR. From this information, typechecking needs to transform the lifetime parameters into bound lifetimes. Lifetimes can be early-bound or late-bound. Construction of typechecking terms needs to visit the types in HIR to identify late-bound lifetimes and assign their Debruijn indices. This file is also responsible for assigning their semantics to implicit lifetimes in trait objects.





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