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// <-- INTERACTIVE TEST -->
// Copyright INRIA
a=1;
deff('[x]=tata(y)','x=-y,write(%io(2),''enter quit''),pause,x=+20')
xx=tata(10);
enter quit
Type 'resume' or 'abort' to return to standard level prompt.
quit;
if 10+xx<>0 then bugmes();quit;end
b=2;
deff('[x]=tata(y)',['x=-y'
'write(6,''enter return'')'
'pause'
'x=+20'])
Warning : redefining function : tata
xx=tata(0);
enter return
return
if 20-xx<>0 then bugmes();quit;end
deff('[x]=tata(y)','x=-y,write(6,''type x=resume(0)''),pause')
Warning : redefining function : tata
xx=tata(40);
type x=resume(0)
x=resume(0)
if xx<>0 then bugmes();quit;end
clear x
text=['after quit '
'undefined variable x']
text =
!after quit !
! !
!undefined variable x !
deff('[x]=toto(n)',['v=100'
'write(%io(2),text)'
'pause'
'x=n'])
write(%io(2),'enter abort (after receiving this message:)')
enter abort (after receiving this message:)
toto(0);
after quit
undefined variable x
abort
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