fix(class): Return Self ($this) #502

[kakserpom]

Fixes #502

[coveralls]

Pull Request Test Coverage Report for Build 20435121370

Details

• 14 of 81 (17.28%) changed or added relevant lines in 2 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 35.249%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
crates/macros/src/impl_.rs	0	1	0.0%
crates/macros/src/function.rs	14	80	17.5%

Files with Coverage Reduction	New Missed Lines	%
crates/macros/src/function.rs	2	20.37%

Totals
Change from base Build 20433243175:	-0.2%
Covered Lines:	1705
Relevant Lines:	4837

---

💛 - Coveralls

[ptondereau]

Some questions