io.vavr

Class Tuple1<T1>

java.lang.Object

io.vavr.Tuple1<T1>

Type Parameters:

T1 - type of the 1st element

All Implemented Interfaces:

Tuple, java.io.Serializable

public final class Tuple1<T1>
extends java.lang.Object
implements Tuple, java.io.Serializable

A tuple of one element which can be seen as cartesian product of one component.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
T1	_1 The 1st element of this tuple.

Fields inherited from interface io.vavr.Tuple

MAX_ARITY

Constructor Summary

Constructors

Constructor and Description
Tuple1(T1 t1) Constructs a tuple of one element.

Method Summary

Modifier and Type	Method and Description
T1	_1() Getter of the 1st element of this tuple.
<T> Tuple2<T1,T>	append(T t) Append a value to this tuple.
<U> U	apply(java.util.function.Function<? super T1,? extends U> f) Transforms this tuple to an object of type U.
int	arity() Returns the number of elements of this tuple.
static <T1> java.util.Comparator<Tuple1<T1>>	comparator(java.util.Comparator<? super T1> t1Comp)
<T2> Tuple2<T1,T2>	concat(Tuple1<T2> tuple) Concat a tuple's values to this tuple.
<T2,T3> Tuple3<T1,T2,T3>	concat(Tuple2<T2,T3> tuple) Concat a tuple's values to this tuple.
<T2,T3,T4> Tuple4<T1,T2,T3,T4>	concat(Tuple3<T2,T3,T4> tuple) Concat a tuple's values to this tuple.
<T2,T3,T4,T5> Tuple5<T1,T2,T3,T4,T5>	concat(Tuple4<T2,T3,T4,T5> tuple) Concat a tuple's values to this tuple.
<T2,T3,T4,T5,T6> Tuple6<T1,T2,T3,T4,T5,T6>	concat(Tuple5<T2,T3,T4,T5,T6> tuple) Concat a tuple's values to this tuple.
<T2,T3,T4,T5,T6,T7> Tuple7<T1,T2,T3,T4,T5,T6,T7>	concat(Tuple6<T2,T3,T4,T5,T6,T7> tuple) Concat a tuple's values to this tuple.
<T2,T3,T4,T5,T6,T7,T8> Tuple8<T1,T2,T3,T4,T5,T6,T7,T8>	concat(Tuple7<T2,T3,T4,T5,T6,T7,T8> tuple) Concat a tuple's values to this tuple.
boolean	equals(java.lang.Object o)
int	hashCode()
<U1> Tuple1<U1>	map(java.util.function.Function<? super T1,? extends U1> mapper) Maps the components of this tuple using a mapper function.
<T> Tuple2<T,T1>	prepend(T t) Prepend a value to this tuple.
Tuple0	remove1() Remove the 1st value from this tuple.
Seq<?>	toSeq() Converts this tuple to a sequence.
java.lang.String	toString()
Tuple1<T1>	update1(T1 value) Sets the 1st element of this tuple to the given value.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.vavr.Tuple

empty, fromEntry, hash, hash, hash, hash, hash, hash, hash, hash, narrow, narrow, narrow, narrow, narrow, narrow, narrow, narrow, of, of, of, of, of, of, of, of, sequence1, sequence2, sequence3, sequence4, sequence5, sequence6, sequence7, sequence8

Field Detail

_1

public final T1 _1

The 1st element of this tuple.

Constructor Detail

Tuple1

public Tuple1(T1 t1)

Constructs a tuple of one element.

Parameters:

t1 - the 1st element

Method Detail

comparator

public static <T1> java.util.Comparator<Tuple1<T1>> comparator(java.util.Comparator<? super T1> t1Comp)

arity

public int arity()

Description copied from interface: Tuple

Returns the number of elements of this tuple.

Specified by:

arity in interface Tuple

Returns:

the number of elements.

_1

public T1 _1()

Getter of the 1st element of this tuple.

Returns:

the 1st element of this Tuple.

update1

public Tuple1<T1> update1(T1 value)

Sets the 1st element of this tuple to the given value.

Parameters:

value - the new value

Returns:

a copy of this tuple with a new value for the 1st element of this Tuple.

remove1

public Tuple0 remove1()

Remove the 1st value from this tuple.

Returns:

a copy of this tuple with the 1st value element removed.

map

public <U1> Tuple1<U1> map(java.util.function.Function<? super T1,? extends U1> mapper)

Maps the components of this tuple using a mapper function.

Type Parameters:

U1 - new type of the 1st component

Parameters:

mapper - the mapper function

Returns:

A new Tuple of same arity.

Throws:

java.lang.NullPointerException - if mapper is null

apply

public <U> U apply(java.util.function.Function<? super T1,? extends U> f)

Transforms this tuple to an object of type U.

Type Parameters:

U - type of the transformation result

Parameters:

f - Transformation which creates a new object of type U based on this tuple's contents.

Returns:

An object of type U

Throws:

java.lang.NullPointerException - if f is null

toSeq

public Seq<?> toSeq()

Description copied from interface: Tuple

Converts this tuple to a sequence.

Specified by:

toSeq in interface Tuple

Returns:

A new Seq.

prepend

public <T> Tuple2<T,T1> prepend(T t)

Prepend a value to this tuple.

Type Parameters:

T - type of the value to prepend

Parameters:

t - the value to prepend

Returns:

a new Tuple with the value prepended

append

public <T> Tuple2<T1,T> append(T t)

Append a value to this tuple.

Type Parameters:

T - type of the value to append

Parameters:

t - the value to append

Returns:

a new Tuple with the value appended

concat

public <T2> Tuple2<T1,T2> concat(Tuple1<T2> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3> Tuple3<T1,T2,T3> concat(Tuple2<T2,T3> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3,T4> Tuple4<T1,T2,T3,T4> concat(Tuple3<T2,T3,T4> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

T4 - the type of the 4th value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3,T4,T5> Tuple5<T1,T2,T3,T4,T5> concat(Tuple4<T2,T3,T4,T5> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

T4 - the type of the 4th value in the tuple

T5 - the type of the 5th value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3,T4,T5,T6> Tuple6<T1,T2,T3,T4,T5,T6> concat(Tuple5<T2,T3,T4,T5,T6> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

T4 - the type of the 4th value in the tuple

T5 - the type of the 5th value in the tuple

T6 - the type of the 6th value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3,T4,T5,T6,T7> Tuple7<T1,T2,T3,T4,T5,T6,T7> concat(Tuple6<T2,T3,T4,T5,T6,T7> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

T4 - the type of the 4th value in the tuple

T5 - the type of the 5th value in the tuple

T6 - the type of the 6th value in the tuple

T7 - the type of the 7th value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

concat

public <T2,T3,T4,T5,T6,T7,T8> Tuple8<T1,T2,T3,T4,T5,T6,T7,T8> concat(Tuple7<T2,T3,T4,T5,T6,T7,T8> tuple)

Concat a tuple's values to this tuple.

Type Parameters:

T2 - the type of the 2nd value in the tuple

T3 - the type of the 3rd value in the tuple

T4 - the type of the 4th value in the tuple

T5 - the type of the 5th value in the tuple

T6 - the type of the 6th value in the tuple

T7 - the type of the 7th value in the tuple

T8 - the type of the 8th value in the tuple

Parameters:

tuple - the tuple to concat

Returns:

a new Tuple with the tuple values appended

Throws:

java.lang.NullPointerException - if tuple is null

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object