kantan.codecs.resource

Resource

trait Resource[I, R] extends AnyRef

Represents a resource that can be opened and worked on.

The purpose of this trait is to abstract over the notion of "things that can be opened", such as files, URLs... Default instances are provided for java.io types - java.io.File, for example, has instances for both opening it for reading and for writing.

I

type of the resource itself (eg java.io.File).

R

type of the opened resource (eg java.io.InputStream)

Self Type
Resource[I, R]
Linear Supertypes
AnyRef, Any
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Abstract Value Members

  1. abstract def open(input: I): OpenResult[R]

    Opens the specified resource.

Concrete Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
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  6. final def asInstanceOf[T0]: T0

    Definition Classes
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  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. def contramap[II](f: (II) ⇒ I): Resource[II, R]

  9. def contramapResult[II](f: (II) ⇒ OpenResult[I]): Resource[II, R]

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

    Definition Classes
    AnyRef

  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  12. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

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

    Definition Classes
    AnyRef → Any

  14. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  15. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  16. def map[RR](f: (R) ⇒ RR): Resource[I, RR]

  17. def mapResult[RR](f: (R) ⇒ OpenResult[RR]): Resource[I, RR]

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

    Definition Classes
    AnyRef

  19. final def notify(): Unit

    Definition Classes
    AnyRef

  20. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  22. def toString(): String

    Definition Classes
    AnyRef → Any

  23. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
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    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  26. def withResource[O](input: I)(f: (R) ⇒ ProcessResult[O])(implicit c: Closeable[R]): ResourceResult[O]

    Opens the specified resource and applies the specified function to its content.

    Opens the specified resource and applies the specified function to its content.

    The resource will be closed regardless of whether f fails. Note that f is expected to be safe - it cannot throw but should instead wrap all errors in a ProcessResult.

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