scalatestCoreDotty/org.scalatest.enablers/Emptiness

Emptiness

object Emptiness

Companion object for Emptiness that provides implicit implementations for the following types:

  • scala.collection.GenTraversable

  • String

  • Array

  • scala.Option

  • java.util.Collection

  • java.util.Map

  • arbitary object with a isEmpty() method that returns Boolean

  • arbitary object with a parameterless isEmpty method that returns Boolean

Companion:
class
class Object
trait Matchable
class Any

Implicits

Implicits

implicit def emptinessOfAnyRefWithIsEmptyMethod[T <: AnyRef { def isEmpty(): Boolean; }]: Emptiness[T]

Enable Emptiness implementation for any arbitrary object with a isEmpty() method that returns Boolean

Enable Emptiness implementation for any arbitrary object with a isEmpty() method that returns Boolean

Type parameters:
T

any type that has a isEmpty() method that returns Boolean

Returns:

Emptiness[T] that supports T in be empty syntax

implicit def emptinessOfAnyRefWithParameterlessIsEmptyMethod[T <: AnyRef { def isEmpty: Boolean; }]: Emptiness[T]

Enable Emptiness implementation for any arbitrary object with a isEmpty method that returns Boolean

Enable Emptiness implementation for any arbitrary object with a isEmpty method that returns Boolean

Type parameters:
T

any type that has a parameterless isEmpty method that returns Boolean

Returns:

Emptiness[T] that supports T in be empty syntax

implicit def emptinessOfArray[E]: Emptiness[Array[E]]

Enable Emptiness implementation for Array

Enable Emptiness implementation for Array

Type parameters:
E

the type of the element in the Array

Returns:

Emptiness[Array[E]] that supports Array in be empty syntax

implicit def emptinessOfGenTraversable[E, TRAV <: (Iterable)]: Emptiness[TRAV[E]]

Enable Emptiness implementation for scala.collection.GenTraversable

Enable Emptiness implementation for scala.collection.GenTraversable

Type parameters:
E

the type of the element in the scala.collection.GenTraversable

TRAV

any subtype of scala.collection.GenTraversable

Returns:

Emptiness[TRAV[E]] that supports scala.collection.GenTraversable in be empty syntax

implicit def emptinessOfJavaCollection[E, JCOL <: (Collection)]: Emptiness[JCOL[E]]

Enable Emptiness implementation for java.util.Collection

Enable Emptiness implementation for java.util.Collection

Type parameters:
E

the type of the element in the java.util.Collection

JCOL

any subtype of java.util.Collection

Returns:

Emptiness[JCOL[E]] that supports java.util.Collection in be empty syntax

implicit def emptinessOfJavaMap[K, V, JMAP <: (Map)]: Emptiness[JMAP[K, V]]

Enable Emptiness implementation for java.util.Map

Enable Emptiness implementation for java.util.Map

Type parameters:
JMAP

any subtype of java.util.Map

K

the type of the key in the java.util.Map

V

the type of the value in the java.util.Map

Returns:

Emptiness[JMAP[K, V]] that supports java.util.Map in be empty syntax

implicit def emptinessOfOption[E, OPT <: (Option)]: Emptiness[OPT[E]]

Enable Emptiness implementation for scala.Option

Enable Emptiness implementation for scala.Option

Type parameters:
E

the type of the element in the scala.Option

OPT

any subtype of scala.Option

Returns:

Emptiness[OPT[E]] that supports scala.Option in be empty syntax

implicit def emptinessOfString: Emptiness[String]

Enable Emptiness implementation for String

Enable Emptiness implementation for String

Returns:

Emptiness[String] that supports String in be empty syntax