The base class for all function types.
A function value, or an instance of a class with a "call" method, is a subtype of a function type, and as such, a subtype of Function.
- hashCode → int
Returns a hash code value that is compatible with
- runtimeType → Type
A representation of the runtime type of the object.
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.
Object other) → bool
- Test whether another object is equal to this function. [...]