Don’t push ifs up, put them as close to the source of data as possible

(Featured image by Camille Couvez on Unsplash) When a measure becomes a target, it ceases to be a good measure But AndyG, doesn’t this just encourage a race to the bottom? Aren’t we sacrificing quality for speed?

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“I’ll compose a new type that holds a Doohickey and also indicates whether the fetch operation succeeded!” If you couldn’t have a utopia in the real world, then dammit you’d have one in your obscure codebase! It shall have clean logic untarnished by dirty, filthy hobbitses error-checking. Something like this:

*I’m pretty sure the only way to really tell if an email address is valid is to send an email to it and hopefully not get it bounced back as undeliverable. Regular expressions be damned. *In Haskell, this is only true if you ask it to

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