Inheriting attributes from a set

inherit (src-set) a b c;

is equivalent to

a = src-set.a; b = src-set.b; c = src-set.c;

when used while defining local variables in a let-expression or while defining a set.

It is good practice to use this technique instead of using the with expression because it does not bring all the attributes in a set into scope.

Note: the nix.dev also mentions this.