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Scala Library Documentation
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scala/Product.scala]
trait
Product
extends AnyRefProduct defines access functions for instances
of products, in particular case classes.| Method Summary | |
def
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arity
: Int
return k for a product
A(x_1,...,x_k)) |
def
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element
(n : Int) : Any
for a case class
A(x_1,...,x_k)), returns x_(i+1)
for 0 <= i < k |
abstract def
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productArity
: Int
return k for a product
A(x_1,...,x_k)) |
abstract def
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productElement
(n : Int) : Any
for a case class
A(x_1,...,x_k)), returns x_(i+1)
for 0 <= i < k |
def
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productPrefix
: String
By default the empty string. Implementations may override this
method in order to prepend a string prefix to the result of the
toString methods.
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| Methods inherited from AnyRef | |
| getClass, hashCode, equals, clone, toString, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized |
| Methods inherited from Any | |
| ==, !=, isInstanceOf, asInstanceOf |
| Method Details |
A(x_1,...,x_k)), returns x_(i+1)
for 0 <= i < kn - the position of the n-th elementIndexOutOfBoundsException -
def
element(n : Int) : Any
A(x_1,...,x_k)), returns x_(i+1)
for 0 <= i < kn - the position of the n-th elementIndexOutOfBoundsException - abstract
def
productArity : Int
A(x_1,...,x_k))
def
arity : Int
A(x_1,...,x_k))
def
productPrefix : String
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Scala Library Documentation
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