from core.tokens import BinaryPredicate
from core.exceptions import runtimeError

def evalBinaryPredicate(op: BinaryPredicate, a, b):
    try:
        match op:
            case BinaryPredicate.LT:
                return a < b
            case BinaryPredicate.GT:
                return a > b
            case BinaryPredicate.EQ:
                return a == b
    except Exception as e:
        raise runtimeError(f'cannot apply {repr(op)} to {repr(a)} and {repr(b)}') from e