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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 77a8662 · 2026-10-31

Moduleghc-internal-10.0.0Haskell2010

GHC.Internal.Classes.IP

Basic classes. Do not import this module directly. It is an GHC internal only module. Some of its contents are instead available from Prelude and GHC.Int.

Synopsis
classclass IP (x :: Symbol) a | x -> a where

The syntax ?x :: a is desugared into IP "x" a IP is declared very early, so that libraries can take advantage of the implicit-call-stack feature

Methods