fj.data.fingertrees

Class Two<V,A>

• ```public final class Two<V,A>
extends Digit<V,A>```
A two-element prefix or suffix of a finger tree.
• Method Summary

All Methods
Modifier and Type Method and Description
`<B> B` ```foldLeft(F<B,F<A,B>> bff, B z)```
Folds this digit to the left using the given function and the given initial value.
`<B> B` ```foldRight(F<A,F<B,B>> aff, B z)```
Folds this digit to the right using the given function and the given initial value.
`<B> B` ```match(F<One<V,A>,B> one, F<Two<V,A>,B> two, F<Three<V,A>,B> three, F<Four<V,A>,B> four)```
Structural pattern matching on digits.
`V2<A>` `values()`
Returns the elements of this digit as a vector.
• Methods inherited from class fj.data.fingertrees.Digit

`map, measure, reduceLeft, reduceRight, toTree`
• Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`
• Method Detail

• foldRight

```public <B> B foldRight(F<A,F<B,B>> aff,
B z)```
Description copied from class: `Digit`
Folds this digit to the right using the given function and the given initial value.
Specified by:
`foldRight` in class `Digit<V,A>`
Parameters:
`aff` - A function with which to fold this digit.
`z` - An initial value to apply at the rightmost end of the fold.
Returns:
The right reduction of this digit with the given function and the given initial value.
• foldLeft

```public <B> B foldLeft(F<B,F<A,B>> bff,
B z)```
Description copied from class: `Digit`
Folds this digit to the left using the given function and the given initial value.
Specified by:
`foldLeft` in class `Digit<V,A>`
Parameters:
`bff` - A function with which to fold this digit.
`z` - An initial value to apply at the leftmost end of the fold.
Returns:
The left reduction of this digit with the given function and the given initial value.
• match

```public <B> B match(F<One<V,A>,B> one,
F<Two<V,A>,B> two,
F<Three<V,A>,B> three,
F<Four<V,A>,B> four)```
Description copied from class: `Digit`
Structural pattern matching on digits. Applies the function that matches the structure of this digit.
Specified by:
`match` in class `Digit<V,A>`
Parameters:
`one` - A function to apply to this digit if it's One.
`two` - A function to apply to this digit if it's Two.
`three` - A function to apply to this digit if it's Three.
`four` - A function to apply to this digit if it's Four.
Returns:
The result of applying the function matching this Digit.
• values

`public V2<A> values()`
Returns the elements of this digit as a vector.
Returns:
the elements of this digit as a vector.