Trait/Object

org.scalatest.enablers

Definition

Related Docs: object Definition | package enablers

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trait Definition[-T] extends AnyRef

Supertrait for typeclasses that enable the be defined matcher syntax.

A Definition[T] provides access to the "definition nature" of type S in such a way that be defined matcher syntax can be used with type T. A T can be any type for which the concept of being defined makes sense, such as scala.Option. ScalaTest provides implicit implementation for scala.Option. You can enable the be defined matcher syntax on your own type U by defining a Definition[U] for the type and making it available implicitly.

ScalaTest provides an implicit Definition instance for scala.Option, arbitary object with isDefined() or isDefined in the Definition companion object.

Source
Definition.scala
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Abstract Value Members

  1. abstract def isDefined(thing: T): Boolean

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    Determines whether the passed is defined, i.e., the passed in scala.Option is defined.

    Determines whether the passed is defined, i.e., the passed in scala.Option is defined.

    thing

    the thing to check for definition

    returns

    true if passed thing is defined, false otherwise