github.com/benhoyt/goawk@v1.8.1/testdata/gawk/aryprm3.awk (about)

     1  function f(a,	i) {
     2  	for (i in a)
     3  		delete a[i]
     4  	if (a == 0)
     5  		print 7
     6  }
     7  
     8  BEGIN {
     9  	f(arr)
    10  }