github.com/benhoyt/goawk@v1.8.1/testdata/gawk/paramuninitglobal.awk (about)

     1  function f(x)
     2  {
     3  	a = 10
     4  	x = 90
     5  	print x
     6  	print a
     7  	a++
     8  	x++
     9  	print x
    10  }
    11  
    12  BEGIN {
    13  	f(a)
    14  	print a
    15  }