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1. hasValidCsrfHeaderNamed :: MonadHandler m => CI ByteString -> m Bool

   yesod-core	Yesod.Core.Handler

   Takes a header name to lookup a CSRF token, and returns whether the value matches the token stored in the session.

2. hasValidCsrfParamNamed :: MonadHandler m => Text -> m Bool

   yesod-core	Yesod.Core.Handler

   Takes a POST parameter name to lookup a CSRF token, and returns whether the value matches the token stored in the session.

3. invalidArgs :: MonadHandler m => [Text] -> m a

   yesod-core	Yesod.Core.Handler

   Return a 400 invalid arguments page.

4. invalidArgsI :: (MonadHandler m, RenderMessage (HandlerSite m) msg) => [msg] -> m a

   yesod-core	Yesod.Core.Handler

   Return a 400 invalid arguments page.

5. newIdent :: MonadHandler m => m Text

   yesod-core	Yesod.Core.Handler

   Get a unique identifier.

6. provideRep :: (Monad m, HasContentType a) => m a -> Writer (Endo [ProvidedRep m]) ()

   yesod-core	Yesod.Core.Handler

   Provide a single representation to be used, based on the request of the client. Should be used together with selectRep.

7. provideRepType :: (Monad m, ToContent a) => ContentType -> m a -> Writer (Endo [ProvidedRep m]) ()

   yesod-core	Yesod.Core.Handler

   Same as provideRep, but instead of determining the content type from the type of the value itself, you provide the content type separately. This can be a convenience instead of creating newtype wrappers for uncommonly used content types.

   provideRepType "application/x-special-format" "This is the content"
   

8. provideJson :: forall (m :: Type -> Type) a . (Monad m, ToJSON a) => a -> Writer (Endo [ProvidedRep m]) ()

   yesod-core	Yesod.Core.Json

   Provide a JSON representation for usage with selectReps, using aeson's toJSON (aeson >= 0.11: toEncoding) function to perform the conversion.

9. InvalidArgs :: [Text] -> ErrorResponse

   yesod-core	Yesod.Core.Types

   Indicates some sort of invalid or missing argument, like a missing query parameter or malformed JSON body. Examples Yesod functions that send this include requireCheckJsonBody and Yesod.Auth.GoogleEmail2. HTTP status: 400.

10. data WidgetData site

    yesod-core	Yesod.Core.Types

    No documentation available.

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