A function which determines if two values are equal. Implement custom comparators for distinct nodes that contain non-primitive values.
The type of values that the comparator compares.
The value that previously passed through the node. can be undefined if the node has not emitted a value yet.
The value currently passing.
true if values should be considered equal.
A function which determines if two values are equal. Implement custom comparators for distinct nodes that contain non-primitive values.