• Simon Peyton Jones's avatar
    Remove unnecessary isTyVar tests in TcType · a0899b2f
    Simon Peyton Jones authored
    These extra tests were added by Richard when he had CoVars floating
    around in places where previously only TyVars had been.  But
    fortunately those days are gone, so these tests are unnecessary,
    and are slowing GHC down.
    
    Let's remove them.
    a0899b2f
TcType.hs 90.1 KB