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Hassan Abedi 2026-04-22 15:44:05 +02:00
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notes/011-haskell-newtypes.md
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@ -6,7 +6,8 @@ This note covers `09-haskell-newtype/`, which models validated user input with `
## 1. Why `newtype` Matters ## 1. Why `newtype` Matters
Plain `Text` values do not tell you what they represent. A user name and an email address could both be `Text`, even though they mean different things. Plain `Text` values do not tell you what they represent. A user name and an email address could both be `Text`, even though they mean different
things.
This example wraps those concepts explicitly: This example wraps those concepts explicitly: