Null class Null safety
The reserved word
null denotes an object that is the sole instance of
It is a compile-time error for a class to attempt to extend or implement Null.
- hashCode → int
The hash code for this object. [...]
- 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 the string
Object other) → bool
The equality operator. [...]