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  1. こるもJS (cormojs@mstdn.maud.io)'s status on Tuesday, 11-Sep-2018 17:32:44 JST こるもJS こるもJS

    https://stackoverflow.com/questions/39186288/why-dollar-operator-is-so-complex-in-ghc-8-0-1 ghc8から($)の型がちょっと変わった件やっとわかりかけてきた。levity多相でunboxed typeのkindが*じゃなくなったからunboxed typeを含めた多相をやるときにはkindには*じゃなくてTYPE rを指定するという事らしい。

    In conversation Tuesday, 11-Sep-2018 17:32:44 JST from mstdn.maud.io permalink

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    1. Domain not in remote thumbnail source whitelist: cdn.sstatic.net
      Why dollar ($) operator is so complex in GHC 8.0.1?
      from Stack Overflow
      Prelude> :i ($) ($) :: forall (r :: GHC.Types.RuntimeRep) a (b :: TYPE r). (a -> b) -> a -> b -- Defined in ‘GHC.Base’ infixr 0 $ How is it different from (a -> b) ->...
    • 金具✅ repeated this.

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