src/Pure/unify.ML
changeset 14643 130076a81b84
parent 12527 d6c91bc3e49c
child 15275 baa90469961a
     1.1 --- a/src/Pure/unify.ML	Thu Apr 22 10:49:30 2004 +0200
     1.2 +++ b/src/Pure/unify.ML	Thu Apr 22 10:52:32 2004 +0200
     1.3 @@ -179,7 +179,7 @@
     1.4  
     1.5  fun unify_types(T,U, env as Envir.Envir{asol,iTs,maxidx}) =
     1.6    if T=U then env
     1.7 -  else let val (iTs',maxidx') = Type.unify (#tsig(Sign.rep_sg (!sgr))) (iTs, maxidx) (U, T)
     1.8 +  else let val (iTs',maxidx') = Type.unify (Sign.tsig_of (!sgr)) (iTs, maxidx) (U, T)
     1.9         in Envir.Envir{asol=asol,maxidx=maxidx',iTs=iTs'} end
    1.10         handle Type.TUNIFY => raise CANTUNIFY;
    1.11