pick

Input Stack: N a0 ... aN

⇨

Output Stack: aN-1 a0 ... aN

Pick an item in the stack and put a copy on the top.

Since: 1.5.0

Example:

a,0,:pick

Pos	Input	Output
0	0	a
1	a	a

a,b,0,:pick

Pos	Input	Output
0	0	b
1	b	b
2	a	a

a,b,1,:pick

Pos	Input	Output
0	1	a
1	b	b
2	a	a