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x:=1;;
f:=function(a)
local g, y, unbound_higher;
y:=2;
g := function(b)
local z, unbound_local;
z:=3;
Error("breakpoint");
return a+b+z;
end;
return g(10) + y;
end;;
f(1);
x; # access global
Unbind(x);
x:=42;
IsBound(x);
unbound_global;
y; # access higher local
Unbind(y);
y:=100;
IsBound(y);
unbound_higher;
quit;
z; # access local
Unbind(z);
z:=1000;
IsBound(z);
unbound_local;
quit;
return;
x;
y;
h:=function(p)
local q;
Error("foobar");
return p;
end;
f(1);
h(2);
y; # access higher local as debug var
Unbind(y);
y:=100;
IsBound(y);
unbound_higher;
# check coding of dvars
function() return unbound_higher; end;
function() return IsBound(unbound_higher); end;
function() Unbind(unbound_higher); end;
function() unbound_higher:=0; end;
[ Dauer der Verarbeitung: 0.28 Sekunden
(vorverarbeitet)
]
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