Allow to run assertion on Optional value

[twillouer]

Hi,

if you like the idea, we can declinate to more methods, like
presentStringAssert()
presentIterableAssert()

etc

Because of type erasure, we cannot declare a generic presentAssert(Class<String) clazz), presentAssert(Class clazz);
etc

Perhaps you have a better proposal ?

[joel-costigliola]

maybe something like:

// extract the value as an Object
assertThat(Optional.of("Test")).extractingValue().isEqualTo("Test");
// extract the value as a String
assertThat(Optional.of("Test")).extractingString().startsWith("T");

[twillouer]

done :)

[joel-costigliola]

Thanks @twillouer, do you want a release for that (I don't mind doing one)

[twillouer]

@joel-costigliola let me implement the others :)