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Blog36.6K views2,159 votes0 replies3,318 following

Using Gleam’s Opaque Types for Safer Library APIs

Learn how Gleam’s opaque types hide constructors, enforce compile‑time encapsulation, and let you evolve library internals without breaking user code.

opaque-types functional-programming library-designTasadduq Burneyowner30.3K rep · 12 Oct 2026, 13:42 UTC