feat: support implicitly unwrapped optional type

[hstdt]

Fix this situation:

@Codable
    struct SomeCodable {
        let value: String!
}

[soumyamahunt]

@hstdt nice catch, please add a test case asserting the behaviour as well.

[hstdt]

commit above fixed error with@Default macro

[hstdt]

@soumyamahunt tests added.

if the last commit of tests is not necessary, i'll revert it.

[hstdt]

PS:
The expanded code of testWithNestedPathOnMixedTypes() and testClassWithNestedPathOnMixedTypes() in CodedInDefaultTests is not compilable(not related to this pull request): "Return from initializer without initializing all stored properties"

[soumyamahunt]

PS: The expanded code of testWithNestedPathOnMixedTypes() and testClassWithNestedPathOnMixedTypes() in CodedInDefaultTests is not compilable(not related to this pull request): "Return from initializer without initializing all stored properties"

Thanks for reporting this, this has been fixed. Please rebase your branch and update test cases if needed.

[hstdt]

@soumyamahunt updated

[soumyamahunt]

@hstdt changes LGTM, anything else you would like to add or should I merge this?

[hstdt]

@soumyamahunt Nothing else to add. Please merge it.