1	# Test a[1]
2
3	#### precedence of 1:3 vs comparison
4
5	# This test exposed nondeterminism in CPython itself! Gah. Is this because of
6	# the hashing?
7	# Python xrange objects probably shouldn't even be comparable!
8	#
9	# = 1:3 < 1:4
10	# >>> xrange(1,3) < xrange(1,4)
11	# False
12	# >>> xrange(1,3) < xrange(1,4)
13	# True
14
15	= 1:3
16
17	## STDOUT:
18	(xrange) xrange(1, 3)
19	## END
20
21	#### precedence of 1:3 vs bitwise operator
22	= 3:3|4
23	## STDOUT:
24	(xrange) xrange(3, 7)
25	## END
26
27	#### subscript and range of array
28	var myarray = %(1 2 3 4)
29	= myarray[1]
30	= myarray[1:3]
31
32	echo 'implicit'
33	= myarray[:2]
34	= myarray[2:]
35
36	# Stride not supported
37	#= myarray[1:4:2]
38
39	# Now try omitting smoe
40	#= myarray[1:4:2]
41	## STDOUT:
42	(Str) '2'
43	(List) ['2', '3']
44	implicit
45	(List) ['1', '2']
46	(List) ['3', '4']
47	## END
48
49	#### subscript and range of list
50	var mylist = [1,2,3,4]
51	= mylist[1]
52	= mylist[1:3]
53
54	echo 'implicit'
55	= mylist[:2]
56	= mylist[2:]
57	## STDOUT:
58	(Int) 2
59	(List) [2, 3]
60	implicit
61	(List) [1, 2]
62	(List) [3, 4]
63	## END
64
65	#### expressions and negative indices
66	var myarray = %(1 2 3 4 5)
67	= myarray[-1]
68	= myarray[-4:-2]
69
70	echo 'implicit'
71	= myarray[:-2]
72	= myarray[-2:]
73	## STDOUT:
74	(Str) '5'
75	(List) ['2', '3']
76	implicit
77	(List) ['1', '2', '3']
78	(List) ['4', '5']
79	## END
80
81	#### Explicit slice with step
82	shopt -s oil:all
83	var mylist = [0,1,2,3,4,5,6,7,8]
84	var x = mylist[slice(1, 7, 2)]
85	write @x
86	## STDOUT:
87	1
88	3
89	5
90	## END
91
92	#### Index with expression
93	var mydict = {['5']: 3}
94	var val = mydict["$[2+3]"]
95	echo $val
96	## STDOUT:
97	3
98	## END
99
100	#### Copy wtih a[:]
101	var a = [1,2,3]
102	var b = a[:]
103	= b
104	## STDOUT:
105	(List) [1, 2, 3]
106	## END
107
108	#### Slices with Multiple Dimensions (for QTT)
109
110	qtt pretty :mytable <<< '''
111	name age:Int
112	alice 42
113	bob 31
114	carol 20
115	'''
116
117	# Cut off the first two rows
118	var t1 = mytable[2:, :]
119	= t1
120
121	var t2 = mytable[:2, 3:4]
122	= t2
123
124	var t3 = mytable[:2, %(name age)]
125	= t3
126
127	## STDOUT:
128	(Str) 'TODO: Table Slicing'
129	(Str) 'TODO: Table Slicing'
130	## END
131
132	#### Index a list with a range, not a slice. TODO: Figure out semantics
133	shopt -s oil:all
134	var mylist = [1,2,3,4,5]
135	var r = 1:3
136	var myslice = mylist[r]
137	## status: 3
138	## STDOUT:
139	TODO
140	## END
141
142	#### List(0:3) should copy the list?
143	shopt -s oil:all
144	var mylist = List(0:3)
145	write @mylist
146	## STDOUT:
147	0
148	1
149	2
150	## END