v		input view
w		argument view

Pair combines views v and w by pairing each row in them side-by-side. The result has only as many rows as the smallest of v and w.

set v [view A def {a b c}]
set w [view B def {1 2 3}]

view $v pair $w

	A	B
0	a	1
1	b	2
2	c	3

view $v pair 2

	A
0	a
1	b