Unverified50% confidenceFactExact time
The Newtype pattern separates the underlying primitive type from business semantics by creating a wrapper type containing a single field (such as Rust's `struct UserId(u32)` or Haskell's `newtype UserId = UserId Int`), preventing type confusion errors at compile time.
1
Sources
50%
Confidence
Long-term
Relevance
10/21/2026
First Seen
Sources
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