my_string=	
my_string.to_string()="\t"
my_string=\
my_string.to_string()="\\"
my_string=/
my_string.to_string()="\/"
my_string.to_string(NOSLASHESCAPE)="/"
my_string=/foo/bar/baz
my_string.to_string()="\/foo\/bar\/baz"
my_string.to_string(NOSLASHESCAPE)="/foo/bar/baz"
my_string=foo
my_string.to_string()="foo"
my_int=9
my_int.to_string()=9
my_array=
	[0]=1
	[1]=2
	[2]=3
	[3]=null
	[4]=5
my_array.to_string()=[ 1, 2, 3, null, 5 ]
my_array=
	[0]=1
	[1]=2
	[2]=3
	[3]=4
	[4]=5
	[5]=null
	[6]=7
my_array.to_string()=[ 1, 2, 3, 4, 5, null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ 2, 3, 4, 5, null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ 3, 4, 5, null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ 4, 5, null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ 5, null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ null, 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ 7 ]
after del_idx(0,1)=0, my_array.to_string()=[ ]
after del_idx(0,1)=-1, my_array.to_string()=[ ]
after del_idx(0,7)=0, my_array.to_string()=[ ]
after del_idx(0,8)=-1, my_array.to_string()=[ 1, 2, 3, 4, 5, null, 7 ]
after del_idx(0,6)=0, my_array.to_string()=[ 7 ]
after adding more entries, my_array.to_string()=[ 7, "s1", "s2", "s3" ]
my_array=
	[0]=3
	[1]=1
	[2]=2
	[3]=null
	[4]=0
my_array.to_string()=[ 3, 1, 2, null, 0 ]
my_array=
	[0]=null
	[1]=0
	[2]=1
	[3]=2
	[4]=3
my_array.to_string()=[ null, 0, 1, 2, 3 ]
baz_obj.to_string()="fark"
my_object=
	abc: 12
	foo: "bar"
	bool0: false
	bool1: true
my_object.to_string()={ "abc": 12, "foo": "bar", "bool0": false, "bool1": true }