Product2 is a Cartesian product of 2 components.
- Companion:
- object
- Source:
- Product2.scala
Value members
Abstract methods
A projection of element 1 of this Product.
A projection of element 1 of this Product.
- Returns:
A projection of element 1.
- Source:
- Product2.scala
A projection of element 2 of this Product.
A projection of element 2 of this Product.
- Returns:
A projection of element 2.
- Source:
- Product2.scala
Concrete methods
The arity of this product.
The arity of this product.
- Returns:
2
- Definition Classes
- Source:
- Product2.scala
Returns the n-th projection of this product if 0 <= n < productArity,
otherwise throws an IndexOutOfBoundsException.
Returns the n-th projection of this product if 0 <= n < productArity,
otherwise throws an IndexOutOfBoundsException.
- Value parameters:
- n
number of the projection to be returned
- Returns:
same as
._(n+1), for exampleproductElement(0)is the same as._1.- Throws:
- IndexOutOfBoundsException
if the
nis out of range(n < 0 || n >= 2).
- Definition Classes
- Source:
- Product2.scala
Inherited methods
A method that should be called from every well-designed equals method that is open to be overridden in a subclass.
A method that should be called from every well-designed equals method that is open to be overridden in a subclass. See Programming in Scala, Chapter 28 for discussion and design.
- Value parameters:
- that
the value being probed for possible equality
- Returns:
true if this instance can possibly equal
that, otherwise false- Inherited from:
- Equals
- Source:
- Equals.scala
The name of the nth element of this product, 0-based.
The name of the nth element of this product, 0-based. In the default implementation, an empty string.
- Value parameters:
- n
the index of the element name to return
- Returns:
the name of the specified element
- Throws:
- IndexOutOfBoundsException
if the
nis out of range(n < 0 || n >= productArity).
- Inherited from:
- Product
- Source:
- Product.scala
An iterator over the names of all the elements of this product.
An iterator over the names of all the elements of this product.
- Inherited from:
- Product
- Source:
- Product.scala
An iterator over all the elements of this product.
An iterator over all the elements of this product.
- Returns:
in the default implementation, an
Iterator[Any]- Inherited from:
- Product
- Source:
- Product.scala
A string used in the toString methods of derived classes.
A string used in the toString methods of derived classes.
Implementations may override this method to prepend a string prefix
to the result of toString methods.
- Returns:
in the default implementation, the empty string
- Inherited from:
- Product
- Source:
- Product.scala