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Scala 3
3.7.4
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Scala 3
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Copyright (c) 2002-2025, LAMP/EPFL
Copyright (c) 2002-2025, LAMP/EPFL
Scala 3/scala/Tuple1

Tuple1

scala.Tuple1
final caseclassTuple1[+T1](_1:T1) extendsProduct1[T1]

A tuple of 1 elements; the canonical representation of ascala.Product1.

Value parameters

_1

Element 1 of this Tuple1

Attributes

Constructor

Create a new tuple with 1 elements.

Source
Tuple1.scala
Graph
Supertypes
traitProduct1[T1]
classT1*:EmptyTuple.type
traitTuple
traitProduct
traitEquals
classObject
traitMatchable
classAny
Show all

Members list

Value members

Concrete methods

overridedeftoString():String

Returns a string representation of the object.

Returns a string representation of the object.

The default representation is platform dependent.

Attributes

Returns

a string representation of the object.

Definition Classes
Source
Tuple1.scala

Inherited methods

inlinedef*:[H,This >:this.type <:Tuple](x:H):H*:This

Return a new tuple by prepending the element tothis tuple. This operation is O(this.size)

Return a new tuple by prepending the element tothis tuple. This operation is O(this.size)

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedef++[This >:this.type <:Tuple](that:Tuple):Concat[This, that.type]

Return a new tuple by concatenatingthis tuple withthat tuple. This operation is O(this.size + that.size)

Return a new tuple by concatenatingthis tuple withthat tuple. This operation is O(this.size + that.size)

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedef:*[This >:this.type <:Tuple,L](x:L):Append[This,L]

Return a copy ofthis tuple with an element appended

Return a copy ofthis tuple with an element appended

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefapply[This >:this.type <:Tuple](n:Int):Elem[This, n.type]

Get the i-th element of this tuple. Equivalent to productElement but with a precise return type.

Get the i-th element of this tuple. Equivalent to productElement but with a precise return type.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefdrop[This >:this.type <:Tuple](n:Int):Drop[This, n.type]

Given a tuple(a1, ..., am), returns the tuple(an+1, ..., am) consisting all its elements except the first n ones.

Given a tuple(a1, ..., am), returns the tuple(an+1, ..., am) consisting all its elements except the first n ones.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefhead[This >:this.type <:Tuple]:Head[This]

Get the head of this tuple

Get the head of this tuple

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefinit[This >:this.type <:Tuple]:Init[This]

Get the initial part of the tuple without its last element

Get the initial part of the tuple without its last element

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedeflast[This >:this.type <:Tuple]:Last[This]

Get the last of this tuple

Get the last of this tuple

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefmap[F[_]](f: [t] =>t=>F[t]):Map[this.type,F]

Called on a tuple(a1, ..., an), returns a new tuple(f(a1), ..., f(an)). The result is typed as(F[A1], ..., F[An]) if the tuple type is fully known. If the tuple is of the forma1 *: ... *: Tuple (that is, the tail is not known to be the cons type.

Called on a tuple(a1, ..., an), returns a new tuple(f(a1), ..., f(an)). The result is typed as(F[A1], ..., F[An]) if the tuple type is fully known. If the tuple is of the forma1 *: ... *: Tuple (that is, the tail is not known to be the cons type.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
overridedefproductArity:Int

The arity of this product.

The arity of this product.

Attributes

Returns

1

Definition Classes
Inherited from:
Product1
Source
Product1.scala
overridedefproductElement(n:Int):Any

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 then is out of range(n < 0 || n >= 1).

Definition Classes
Inherited from:
Product1
Source
Product1.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, anIterator[Any]

Inherited from:
Product
Source
Product.scala
inlinedefreverse[This >:this.type <:Tuple]:Reverse[This]

Given a tuple(a1, ..., am), returns the reversed tuple(am, ..., a1) consisting all its elements.

Given a tuple(a1, ..., am), returns the reversed tuple(am, ..., a1) consisting all its elements.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefsize[This >:this.type <:Tuple]:Size[This]

Return the size (or arity) of the tuple

Return the size (or arity) of the tuple

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefsplitAt[This >:this.type <:Tuple](n:Int):Split[This, n.type]

Given a tuple(a1, ..., am), returns a pair of the tuple(a1, ..., an) consisting of the first n elements, and the tuple(an+1, ..., am) consisting of the remaining elements.

Given a tuple(a1, ..., am), returns a pair of the tuple(a1, ..., an) consisting of the first n elements, and the tuple(an+1, ..., am) consisting of the remaining elements.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedeftail[This >:this.type <:Tuple]:Tail[This]

Get the tail of this tuple. This operation is O(this.size)

Get the tail of this tuple. This operation is O(this.size)

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedeftake[This >:this.type <:Tuple](n:Int):Take[This, n.type]

Given a tuple(a1, ..., am), returns the tuple(a1, ..., an) consisting of its first n elements.

Given a tuple(a1, ..., am), returns the tuple(a1, ..., an) consisting of its first n elements.

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedeftoArray:Array[Object]

Create a copy of this tuple as an Array

Create a copy of this tuple as an Array

Attributes

Inherited from:
Tuple
Source
Tuple.scala

Create a copy of this tuple as an IArray

Create a copy of this tuple as an IArray

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedeftoList:List[Union[this.type]]

Create a copy of this tuple as a List

Create a copy of this tuple as a List

Attributes

Inherited from:
Tuple
Source
Tuple.scala
inlinedefzip[This >:this.type <:Tuple,T2 <:Tuple](t2:T2):Zip[This,T2]

Given two tuples,(a1, ..., an) and(b1, ..., bn), returns a tuple((a1, b1), ..., (an, bn)). If the two tuples have different sizes, the extra elements of the larger tuple will be disregarded. The result is typed as((A1, B1), ..., (An, Bn)) if at least one of the tuple types has aEmptyTuple tail. Otherwise the result type is(A1, B1) *: ... *: (Ai, Bi) *: Tuple

Given two tuples,(a1, ..., an) and(b1, ..., bn), returns a tuple((a1, b1), ..., (an, bn)). If the two tuples have different sizes, the extra elements of the larger tuple will be disregarded. The result is typed as((A1, B1), ..., (An, Bn)) if at least one of the tuple types has aEmptyTuple tail. Otherwise the result type is(A1, B1) *: ... *: (Ai, Bi) *: Tuple

Attributes

Inherited from:
Tuple
Source
Tuple.scala
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