True Myth / maybe / isInstance
Function: isInstance() 
Call Signature 
isInstance<
T>(item):item is Maybe<T>
Determine whether an item is an instance of Maybe.
Type Parameters 
T 
T extends object
Parameters 
item 
Maybe<T>
The item to check.
Returns 
item is Maybe<T>
Call Signature 
isInstance(
item):item is Maybe<{}>
Determine whether an item is an instance of Maybe.
Parameters 
item 
unknown
The item to check.
Returns 
item is Maybe<{}>