I've been trying to avoid nil in crystal because I felt it was the "safe" thing to do (also I didn't want to have to call .as(...) so much).
I think I am finally understanding that it isn't the absence of nil values that provides the safety but Nil being a type that the compiler can check for and enforce proper handling of.
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Succinct and authoritative, thank you, sir!
I've been trying to avoid
nilin crystal because I felt it was the "safe" thing to do (also I didn't want to have to call.as(...)so much).I think I am finally understanding that it isn't the absence of
nilvalues that provides the safety but Nil being a type that the compiler can check for and enforce proper handling of.