exchange values
Description
v1 :=: v2 : v1
v1 :=: v2 exchanges the values of v1 and v2 and produces the variable v1.
Parameters
- v1
- settable variable
- v2
- settable variable
- returns
- v1
Errors
| 101 |
v1 or v2 requires integer, but x not integer |
103 |
v1 or v2 requires string, but x not string |
111 |
v1 or v2 is not a variable |
See Also
- v:=x — assign value
- v<–>v — exchange values reversibly
