Not exactly the same thing, for one these aren't function calls, and for another the view is memoized: You can see the difference with some print statements:

Not exactly the same thing, for one these aren't function calls, and for another the view is memoized: You can see the difference with some print statements: q)z::show(x;y;x+y);x+y q)x:42 q)y:42 q)z 42 42 84 84 q)x:69 q)z 69 42 111 111 q)z 111 Views are also aware of what's changed: q)a:1234 q)z 111 q)y:69 q)z 69 69 138 138