Questions tagged [monad]

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Understanding do notation with Monads in Plutus Pioneer Week 04

I have a question regarding a block of code from th Week04 Plutus Pioneer Program. The block is in Writer.hs foo'' :: Writer Int -> Writer Int -> Writer Int -> Writer Int foo'' x y z = do ...
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2answers
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Test-Focused EvaluatorTrace Monad?

Is there infrastructure for writing unit/integration tests for our contracts, without running the full playground? Is there a test-focused EvaluatorTrace monad, for example?