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LBYL can easily be enforced by Maybe types, leaving exceptions for really exceptional things (which a nonexisting file definitely isn't). So we see how not havi
by LessDmesg 7y ago
LBYL can easily be enforced by Maybe types, leaving exceptions for really exceptional things (which a nonexisting file definitely isn't). So we see how not having a real type system hurts and deforms a language in ways unrelated to types.
- Nullabillity 7y agoThat's still EAFP (you didn't check the precondition before trying), just through a different mechanism.