Function class Null safety
The base class for all function types.
The run-time type of a function object is subtype of a function type, and as such, a subtype of Function.
- hashCode → int
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
A string representation of this object. [...]
Object other) → bool
Test whether another object is equal to this function. [...]