I haven't seen anyone talk about mutation testing as a strategy for avoiding regressions on legacy code without perfect test coverage.
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Replying to @backus
@jbackus3 Mutant (https://github.com/mbj/mutant ) is extremely helpful when editing critical paths I wrote years ago.1 reply 0 retweets 1 like
Replying to @mifreewil
@mifreewil Yea does make you be more thorough with tests but this is important with dynamic languages. Definitely check out the blog post.
2:13 PM - 12 Nov 2015
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