Use rewrite

[coveralls]

Pull Request Test Coverage Report for Build eeb74cc7d2e34d4ebaef9b4a0f6de44f7067415a-PR-31

• 17 of 18 (94.44%) changed or added relevant lines in 5 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-1.4%) to 93.24%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
lib/recode/runner/impl.ex	9	10	90.0%
<!--	Total:	17	18	94.44%	-->

Files with Coverage Reduction	New Missed Lines	%
lib/recode/context.ex	1	89.16%
<!--	Total:	1		-->

Totals
Change from base Build 14ce5a603b14742f21665600a9304c6a3021245e:	-1.4%
Covered Lines:	731
Relevant Lines:	784

---

💛 - Coveralls