Elm's JSON Decoders: Turning Runtime Guesses Into Compile-Time Contracts
Elm makes you write JSON decoders by hand — and that's the point. How composable decoders turn runtime parsing surprises into explicit, testable contracts.
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Elm's JSON Decoders: Making Bad API Data a Problem You Handle, Not a Crash You Debug
Elm forces all external JSON through explicit, composable decoders that return a Result. A worked example shows how this turns API contract drift into handled errors instead of production crashes — and where the boilerplate starts to cost you.
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