fj.parser

Class Result<I,A>

java.lang.Object

fj.parser.Result<I,A>

All Implemented Interfaces:

java.lang.Iterable<A>

public final class Result<I,A>
extends java.lang.Object
implements java.lang.Iterable<A>

A parse result made up of a value (A) and the remainder of the parse input (I).

Method Summary

Methods

Modifier and Type	Method and Description
<B,J> F<F<I,J>,F<F<A,B>,Result<J,B>>>	bimap() First-class bifunctor map.
<B,J> Result<J,B>	bimap(F<I,J> f, F<A,B> g) A bifunctor map across both the remainder of the parse input and the parse value.
java.util.Iterator<A>	iterator() Returns an iterator over the parse value.
<J> F<F<I,J>,Result<J,A>>	mapRest() First-class function mapping across the remainder of the parse input.
<J> Result<J,A>	mapRest(F<I,J> f) Maps the given function across the remainder of the parse input.
<B> F<F<A,B>,Result<I,B>>	mapValue() First-class function mapping across the parse value.
<B> Result<I,B>	mapValue(F<A,B> f) Maps the given function across the parse value.
I	rest() The remainder of the parse input.
static <A,I> F<I,F<A,Result<I,A>>>	result() First-class construction of a result.
static <A,I> Result<I,A>	result(I i, A a) Construct a result with the given remainder of the parse input and parse value.
A	value() The parsed value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

rest

public I rest()

The remainder of the parse input.

Returns:

The remainder of the parse input.

value

public A value()

The parsed value.

Returns:

The parsed value.

mapRest

public <J> Result<J,A> mapRest(F<I,J> f)

Maps the given function across the remainder of the parse input.

Parameters:

f - The function to map with.

Returns:

A result with a different parse input.

mapRest

public <J> F<F<I,J>,Result<J,A>> mapRest()

First-class function mapping across the remainder of the parse input.

Returns:

A first-class function mapping across the remainder of the parse input.

mapValue

public <B> Result<I,B> mapValue(F<A,B> f)

Maps the given function across the parse value.

Parameters:

f - The function to map with.

Returns:

A result with a different parse value.

mapValue

public <B> F<F<A,B>,Result<I,B>> mapValue()

First-class function mapping across the parse value.

Returns:

A first-class function mapping across the parse value.

bimap

public <B,J> Result<J,B> bimap(F<I,J> f,
                      F<A,B> g)

A bifunctor map across both the remainder of the parse input and the parse value.

Parameters:

f - The function to map the remainder of the parse input with.

g - The function to map the parse value with.

Returns:

A result with a different parse input and parse value.

bimap

public <B,J> F<F<I,J>,F<F<A,B>,Result<J,B>>> bimap()

First-class bifunctor map.

Returns:

A first-class bifunctor map.

iterator

public java.util.Iterator<A> iterator()

Returns an iterator over the parse value. This method exists to permit the use in a for-each loop.

Specified by:

iterator in interface java.lang.Iterable<A>

Returns:

An iterator over the parse value.

result

public static <A,I> Result<I,A> result(I i,
                       A a)

Construct a result with the given remainder of the parse input and parse value.

Parameters:

i - The remainder of the parse input.

a - The parse value.

Returns:

A result with the given remainder of the parse input and parse value.

result

public static <A,I> F<I,F<A,Result<I,A>>> result()

First-class construction of a result.

Returns:

A first-class function for construction of a result.