Gleam Type System
Gleam Type System
Introduction
Gleam is a statically-typed functional language that compiles to Erlang and JavaScript, bringing modern type safety to the BEAM ecosystem. Its type system prevents entire categories of runtime errors while maintaining the concurrency and fault-tolerance benefits of the Erlang VM.
The type system features algebraic data types, parametric polymorphism, type inference, exhaustive pattern matching, and no null values. Every value is typed, and the compiler enforces type safety at compile time, eliminating common bugs before code runs.
This skill covers custom types and ADTs, pattern matching, generic types, Result and Option types, type aliases, opaque types, type inference, and patterns for type-safe error handling on the BEAM.
Custom Types and Records
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