Validation.Builder4

java.lang.Object
- io.vavr.control.Validation.Builder4<E,T1,T2,T3,T4>

Type Parameters:

E - type of error

T1 - type of first valid value

T2 - type of second valid value

T3 - type of third valid value

T4 - type of fourth valid value

Enclosing interface:

Validation<E,T>
```
public static final class Validation.Builder4<E,T1,T2,T3,T4>
extends java.lang.Object
```
A builder that holds four Validation instances, used for combining validations and applying functions that take four arguments.

Field Summary

Fields
Modifier and Type Field Description

private Validation<E,T1> v1

private Validation<E,T2> v2

private Validation<E,T3> v3

private Validation<E,T4> v4

Constructor Summary

Constructors
Modifier	Constructor	Description
`private`	`Builder4(Validation<E,T1> v1, Validation<E,T2> v2, Validation<E,T3> v3, Validation<E,T4> v4)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> Validation<Seq<E>,R>`	`ap(Function4<T1,T2,T3,T4,R> f)`	Applies a quaternary function to the values of the four validations held by this builder.
`<T5> Validation.Builder5<E,T1,T2,T3,T4,T5>`	`combine(Validation<E,T5> v5)`	Combines this builder with another validation, creating a Builder5.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - v1
```
private Validation<E,T1> v1
```
  - v2
```
private Validation<E,T2> v2
```
  - v3
```
private Validation<E,T3> v3
```
  - v4
```
private Validation<E,T4> v4
```
- Constructor Detail
  - Builder4
```
private Builder4(Validation<E,T1> v1,
                 Validation<E,T2> v2,
                 Validation<E,T3> v3,
                 Validation<E,T4> v4)
```
- Method Detail
  - ap
```
public <R> Validation<Seq<E>,R> ap(Function4<T1,T2,T3,T4,R> f)
```
    Applies a quaternary function to the values of the four validations held by this builder. If all validations are valid, the function is applied. Otherwise, errors are accumulated.
    
    Type Parameters:
    
    R - type of the result
    
    Parameters:
    
    f - the function to apply
    
    Returns:
    
    a Validation with the result or accumulated errors
  - combine
```
public <T5> Validation.Builder5<E,T1,T2,T3,T4,T5> combine(Validation<E,T5> v5)
```
    Combines this builder with another validation, creating a Builder5.
    
    Type Parameters:
    
    T5 - type of fifth valid value
    
    Parameters:
    
    v5 - the fifth validation
    
    Returns:
    
    a new Builder5 instance