Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/PackedString/Eq_PackedString.hs
module NHC.PackedString(Eq(..)) where import DPackedString import PrimComparePS(primComparePS) instance Eq PackedString where p1 == p2 = primComparePS p1 p2 == EQ p1 /= p2 = primComparePS p1 p2 /= EQ