Product2 is a Cartesian product of 2 components.
Attributes
- Companion
- object
- Source
- Product2.scala
- Graph
- Supertypes
- Known subtypes
- class (T1,T2)
Members list
Value members
Abstract methods
A projection of element 1 of this Product.
A projection of element 1 of this Product.
Attributes
- 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.
Attributes
- Returns
A projection of element 2.
- Source
- Product2.scala
Concrete methods
The arity of this product.
Returns the n-th projection of this product if 0 <= n < productArity, otherwise throws anIndexOutOfBoundsException.
Returns the n-th projection of this product if 0 <= n < productArity, otherwise throws anIndexOutOfBoundsException.
Value parameters
- n
number of the projection to be returned
Attributes
- Returns
same as
._(n+1), for exampleproductElement(0)is the same as._1.- Throws
IndexOutOfBoundsExceptionif the
nis out of range(n < 0 || n >= 2).- Definition Classes
- Source
- Product2.scala
Inherited methods
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
Attributes
- Returns
the name of the specified element
- Throws
IndexOutOfBoundsExceptionif 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.
Attributes
- Inherited from:
- Product
- Source
- Product.scala
An iterator over all the elements of this product.
An iterator over all the elements of this product.
Attributes
- Returns
in the default implementation, an
Iterator[Any]- Inherited from:
- Product
- Source
- Product.scala
A string used in thetoString methods of derived classes.
A string used in thetoString methods of derived classes. Implementations may override this method to prepend a string prefix to the result oftoString methods.
Attributes
- Returns
in the default implementation, the empty string
- Inherited from:
- Product
- Source
- Product.scala
Inherited and Abstract methods
Checks whether this instance can possibly equalthat.
Checks whether this instance can possibly equalthat.
A method that should be called from every well-designed equals method that is open to be overridden in a subclass. SeeProgramming in Scala, Chapter 28 for discussion and design.
Value parameters
- that
the value being probed for possible equality
Attributes
- Returns
true if this instance can possibly equal
that, otherwise false- Inherited from:
- Equals
- Source
- Equals.scala