org.scalactic.TripleEqualsSupport

Equalizer

class Equalizer[L] extends AnyRef

Class used via an implicit conversion to enable any two objects to be compared with === and !== with a Boolean result and no enforced type constraint between two object types. For example:

assert(a === b)
assert(c !== d)

You can also check numeric values against another with a tolerance. Here are some examples:

assert(a === (2.0 +- 0.1))
assert(c !== (2.0 +- 0.1))

Source
TripleEqualsSupport.scala
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Instance Constructors

  1. new Equalizer(leftSide: L)

    leftSide

    An object to convert to Equalizer, which represents the value on the left side of a === or !== invocation.

Value Members

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

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

    Definition Classes
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  3. def !==(literalNull: Null): Boolean

    Determines whether an object reference is non-null.

    Determines whether an object reference is non-null.

    literalNull

    a null value against which to compare the value passed to the constructor as leftSide for inequality

    returns

    true if the value passed to the constructor as leftSide is non-null.

  4. def !==(spread: Spread[L]): Boolean

    Determine whether a numeric object is outside the passed Spread, returning a Boolean.

    Determine whether a numeric object is outside the passed Spread, returning a Boolean.

    spread

    the Spread against which to compare the value passed to the constructor as leftSide

    returns

    true if the value passed to the constructor as leftSide is not within the Spread passed to this method.

  5. def !==(rightSide: Any)(implicit equality: Equality[L]): Boolean

    Compare two objects for inequality, returning a Boolean, using the Equality type class passed as equality.

    Compare two objects for inequality, returning a Boolean, using the Equality type class passed as equality.

    rightSide

    the object to compare for inequality with leftSide, passed to the constructor

    equality

    an implicit Equality type class that defines a way of calculating equality for objects of type L

    returns

    true if the leftSide and rightSide objects are not equal according to the passed Equality type class.

  6. final def ##(): Int

    Definition Classes
    AnyRef → Any
  7. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  8. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  9. def ===(literalNull: Null): Boolean

    Determine whether an object reference is null.

    Determine whether an object reference is null.

    literalNull

    a null value against which to compare the value passed to the constructor as leftSide for equality

    returns

    true if the value passed to the constructor as leftSide is null.

  10. def ===(spread: Spread[L]): Boolean

    Determine whether a numeric object is within the passed Spread, returning a Boolean.

    Determine whether a numeric object is within the passed Spread, returning a Boolean.

    spread

    the Spread against which to compare the value passed to the constructor as leftSide

    returns

    true if the value passed to the constructor as leftSide is within the Spread passed to this method.

  11. def ===(rightSide: Any)(implicit equality: Equality[L]): Boolean

    Compare two objects for equality, returning a Boolean, using the Equality type class passed as equality.

    Compare two objects for equality, returning a Boolean, using the Equality type class passed as equality.

    rightSide

    the object to compare for equality with leftSide, passed to the constructor

    equality

    an implicit Equality type class that defines a way of calculating equality for objects of type L

    returns

    true if the leftSide and rightSide objects are equal according to the passed Equality type class.

  12. final def asInstanceOf[T0]: T0

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  13. def clone(): AnyRef

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    protected[java.lang]
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  14. final def eq(arg0: AnyRef): Boolean

    Definition Classes
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  15. def equals(arg0: Any): Boolean

    Definition Classes
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  16. def finalize(): Unit

    Attributes
    protected[java.lang]
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  17. final def getClass(): Class[_]

    Definition Classes
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  18. def hashCode(): Int

    Definition Classes
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  19. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  20. val leftSide: L

    An object to convert to Equalizer, which represents the value on the left side of a === or !== invocation.

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

    Definition Classes
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  22. final def notify(): Unit

    Definition Classes
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  23. final def notifyAll(): Unit

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

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  25. def toString(): String

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  26. final def wait(): Unit

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    @throws()
  27. final def wait(arg0: Long, arg1: Int): Unit

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    @throws()
  28. final def wait(arg0: Long): Unit

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