check empty

This commit is contained in:
Alexander Yakovlev 2024-04-29 07:24:35 +06:00
parent 1c708765f4
commit d4759cf422
Signed by: oreolek
GPG key ID: 8269E24B4008E32A

View file

@ -128,12 +128,12 @@
~ return true
=== function can_move_to_col(ref column_one, ref column_two)
~ temp x = lastcard(column_one)
~ temp y = lastcard(column_two)
{ x == ():
~ return false
}
{ y == ():
~ return true
}
~ temp x = lastcard(column_one)
~ temp y = lastcard(column_two)
~ return (( (!is_black(x) && is_black(y)) || (is_black(x) && !is_black(y)) ) && follows(x,y) )