1 #### tuple literal doesn't conflict with ((
2 if ((0,0) < (0,1)) { echo yes }
3 ## STDOUT:
4 yes
5 ## END
6
7 #### Empty tuple
8 var t = ()
9 echo length=$len(t)
10 ## STDOUT:
11 length=0
12 ## END
13
14 #### Singleton tuple
15 var t = tup(42)
16 echo "length = $[len(t)]"
17 echo "t[0] = $[t[0]]"
18
19 # NOT ALLOWED. Use tup() instead.
20 #var t1 = 1,
21 var t2 = (1,)
22 ## status: 2
23 ## STDOUT:
24 length = 1
25 t[0] = 42
26 ## END