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

     1  	BEGIN { # foo[10] = 0		# put this line in and it will work
     2  		test(foo); print foo[1]
     3  		test2(foo2); print foo2[1]
     4  	}
     5  
     6  	function test(foo)
     7  	{
     8  		test2(foo)
     9  	}
    10  	function test2(bar)
    11  	{
    12  		bar[1] = 1
    13  	}