generics_util

Function filter_generics

Source 
pub fn filter_generics<'a>(
    base: Generics,
    usage: impl Iterator<Item = &'a Type>,
    context: impl Iterator<Item = &'a Generics>,
) -> Generics
Expand description

Creates a new Generics object containing only the parameters which are used (including transitively) anywhere in the given sequence of types (usage), and excluding those which are already in scope (context).