== | true if the two values are equal. |
!= | true if the two values are not equal. |
< | true if the value of the operand on the left is less than the value on the right. |
> | true if the value of the operand on the left is greater than the value on the right. |
>= | true if the value of the operand on the left is greater than or equal to the value on the right. |
<= | true if the value of the operand on the left is less than or equal to the value on the right. |
<=> | 0 if the value of the operand on the left is equal to the value on the right,
1 if the value of the operand on the left is greater than the value on the right,
-1 if the value of the operand on the left is less than the value on the right. |
