New in GHC 7.10: Partial Type Signatures - School of Haskell | School of Haskell

Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post In this tutorial we introduce you to the PartialTypeSignatures extension available in GHC starting from version 7.10. The goal is to teach you what you can do with this extension and how it can improve your development workflow. IntroductionPartial type signatures were introduced in GHC 7.

[theatrical]

新しいGhc ExtensinoでTypeSignatureの一部を未定義に出来るようになったらしい、これは便利そうだ。