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\begin{lstlisting}[caption=Scope and function literals,label=src:scope3,float]
|\begin{tikzpicture}[overlay]
\draw [->,thick] (2.8,-4.10) arc (-60:90:0.20cm);
\draw [->,thick] (2.8,-2.00) arc (-60:90:0.20cm);
\draw [->,thick] (2.4,-1.60) arc (-60:90:0.50cm);
%
\draw [->,thick] (4.4,-8.75) arc (-60:80:4.30cm);
% function f()
\draw [->,thick] (4.4,-5.85) arc (-60:90:0.30cm);
\draw [->,thick] (4.4,-5.25) arc (-60:90:0.90cm);
%
\draw [->,thick] (3.2,-7.45) arc (-60:65:2.00cm);
\end{tikzpicture}|
package main
var a int
func main() {
a = 5
println(a)
f()
}
func f() {
a := 6
println(a)
g()
x := func() {
a = 7
println(a)
}
x()
g()
println(a)
}
func g() {
println(a)
}
\end{lstlisting}
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