Practical Intro to Monads in JavaScript: Validation
![Practical Intro to Monads in JavaScript: Validation](https://wykop.pl/cdn/c3397993/link_ZeBY8uEpYzb4jvxuFf34iKyWEmRwbedk,w300h194.jpg)
Few weeks ago I published a practical Intro to Monads in JavaScript where I covered basics of Identity and Maybe monads. Some time later I added a tutorial on Either monad and fails-fast error handling. This time I will show you error accumulation in a simple Validation use case.
![ulfryk](https://wykop.pl/cdn/c3397992/ulfryk_5KuBjQMXlC,q52.jpg)
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