IF expression

IF x=0,y=1
ELSE IF x=1,y=0 or 2
ELSE IF x=2,y=1

what condition expression should i add in grasshopper

The issue names no file, test, or entry point, and asks for help expressing an IF condition. First inspect the repository's available documentation and condition-expression entry points, then clarify the intended syntax and expected result for x=0, x=1, and x=2 before defining what a complete answer or documentation change would include.

Written by the indexing model from the issue text.