SemigroupAll constructor

1. func_dart_core
2. boolean
3. SemigroupAll
4. SemigroupAll constructor

SemigroupAll class

1. Constructors
2. SemigroupAll
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. concat
8. noSuchMethod
9. toString
10. Operators
11. operator ==