1	# Test Oil expressions within $[]
2
3	#### $[f(x)]
4	var a = %(a b c)
5	echo $[len(a)]
6	## STDOUT:
7	3
8	## END
9
10	#### $[d['key']]
11	var d = {}
12	setvar d['key'] = 42
13	echo $[d['key']]
14	## STDOUT:
15	42
16	## END
17
18	#### $[d.key]
19	var d = {}
20	setvar d['key'] = 42
21	echo $[d.key]
22	## STDOUT:
23	42
24	## END
25
26	#### In Double quotes
27	var a = %(a b c)
28	var obj = /d+/
29	var d = {}
30	setvar d['key'] = 42
31	echo "func $[len(a)]"
32	echo "key $[d['key']]"
33	echo "key $[d.key]"
34	echo "dq $[d["key"]]"
35	## STDOUT:
36	func 3
37	key 42
38	key 42
39	dq 42
40	## END