hindley-milner

1 free lesson tagged hindley-milner across Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

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Semantic Analysis and Type Checking

The parser only checks syntax — it happily accepts `x = y + z` even if none of those names exist. Semantic analysis adds meaning: it builds symbol tables, resolves names, enforces scoping rules, and runs the type checker that catches the errors a grammar cannot. Learn what happens between the raw AST and the typed AST the IR generator gets.

9 steps·~14 min

Semantic Analysis and Type Checking

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