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Some features and design goals of I include:
- Automatic mapping. Like J's array operations, I will map over lists, sets, associated arrays, and functions.
- Soft typing built into the core of the language.
- Automatic optimization when types are known, using JIT compilation.
- Functional programming. Everything in I is a function.
- Near-nonexistent syntax. Everything is function application.
- Whitespace defines the order of precedence in a visually intuitive way.
Tags:
language
array
Last modified 17 February 2026