Trait

org.http4s

EntityEncoderInstances0

Related Doc: package http4s

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trait EntityEncoderInstances0 extends AnyRef

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Known Subclasses
EntityEncoder, EntityEncoderInstances, Http4s, Http4s, Http4sInstances, Http4sInstances
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Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )

  6. def emptyEncoder[F[_], A](implicit F: Applicative[F]): EntityEncoder[F, A]

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  7. final def eq(arg0: AnyRef): Boolean

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  10. final def getClass(): Class[_]

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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  13. final def ne(arg0: AnyRef): Boolean

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. def showEncoder[F[_], A](implicit arg0: Applicative[F], charset: Charset = DefaultCharset, show: Show[A]): EntityEncoder[F, A]

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    Encodes a value from its Show instance.

    Encodes a value from its Show instance. Too broad to be implicit, too useful to not exist.

  17. implicit def streamEncoder[F[_], A](implicit F: Applicative[F], W: EntityEncoder[F, A]): EntityEncoder[F, Stream[F, A]]

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    A stream encoder is intended for streaming, and does not calculate its bodies in advance.

    A stream encoder is intended for streaming, and does not calculate its bodies in advance. As such, it does not calculate the Content-Length in advance. This is for use with chunked transfer encoding.

  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. final def wait(): Unit

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  21. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(arg0: Long): Unit

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Deprecated Value Members

  1. implicit def futureEncoder[F[_], A](implicit F: Async[F], ec: ExecutionContext, W: EntityEncoder[F, A]): EntityEncoder[F, Future[A]]

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    @deprecated
    Deprecated

    (Since version 0.18.5) This encoder breaks referential transparency and can cause unintended evaluation of expressions if you're not careful. See: https://github.com/http4s/http4s/issues/1757, which means you can potentially evaluate futures eagerly. You could end up executing a statement you don't intend to despite it not returning to you as a value.

    If you _must_ use futures, use something such as IO.fromFuture(IO(myFuture)) or define your own helper that does not evaluate the future eagerly, as otherwise it will evaluate the moment it's bound.

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