extrec.nix

lib: let inherit (lib) extrec; in

{ testSimpleExtrec =
    { expr =
        let base = extrec."{"{ x = 123;
                               y = self: self.x;
                           }"}";
            overrides = extrec."{"{ x = 456;
                                    z = self: self.y;
                                }"}";
        in extrec.fix (extrec.merge base overrides);
      expected = { x = 456; y = 456; z = 456; };
    };
}