public static boolean isNullConstant(@NotNull JetExpression expression) {
JetExpression deparenthesized = deparenthesize(expression);
return deparenthesized instanceof JetConstantExpression
&& deparenthesized.getNode().getElementType() == JetNodeTypes.NULL;
}
public static boolean isTypeFlexible(@Nullable JetExpression expression) {
if (expression == null) return false;
return TokenSet.create(JetNodeTypes.INTEGER_CONSTANT, JetNodeTypes.FLOAT_CONSTANT)
.contains(expression.getNode().getElementType());
}
