org.eclipse.xtext.xbase.lib
Class FunctionExtensions

java.lang.Object
  org.eclipse.xtext.xbase.lib.FunctionExtensions

public class FunctionExtensions
extends java.lang.Object

This is an extension library for functions, e.g. closures.

Author:

Sven Efftinge - Initial contribution and API

See Also:

Functions

Constructor Summary

FunctionExtensions()

Method Summary

static <P1,RESULT> Functions.Function0<RESULT>	curry(Functions.Function1<? super P1,? extends RESULT> function, P1 argument) Curries a function that takes one argument.
static <P1,P2,RESULT> Functions.Function1<P2,RESULT>	curry(Functions.Function2<? super P1,? super P2,? extends RESULT> function, P1 argument) Curries a function that takes two arguments.
static <P1,P2,P3,RESULT> Functions.Function2<P2,P3,RESULT>	curry(Functions.Function3<? super P1,? super P2,? super P3,? extends RESULT> function, P1 argument) Curries a function that takes three arguments.
static <P1,P2,P3,P4,RESULT> Functions.Function3<P2,P3,P4,RESULT>	curry(Functions.Function4<? super P1,? super P2,? super P3,? super P4,? extends RESULT> function, P1 argument) Curries a function that takes four arguments.
static <P1,P2,P3,P4,P5,RESULT> Functions.Function4<P2,P3,P4,P5,RESULT>	curry(Functions.Function5<? super P1,? super P2,? super P3,? super P4,? super P5,? extends RESULT> function, P1 argument) Curries a function that takes five arguments.
static <P1,P2,P3,P4,P5,P6,RESULT> Functions.Function5<P2,P3,P4,P5,P6,RESULT>	curry(Functions.Function6<? super P1,? super P2,? super P3,? super P4,? super P5,? super P6,? extends RESULT> function, P1 argument) Curries a function that takes six arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionExtensions

public FunctionExtensions()

Method Detail

curry

public static <P1,RESULT> Functions.Function0<RESULT> curry(Functions.Function1<? super P1,? extends RESULT> function,
                                                            P1 argument)

Curries a function that takes one argument.

Parameters:

function - the original function. May not be null.

argument - the fixed argument.

Returns:

a function that takes no arguments. Never null.

curry

public static <P1,P2,RESULT> Functions.Function1<P2,RESULT> curry(Functions.Function2<? super P1,? super P2,? extends RESULT> function,
                                                                  P1 argument)

Curries a function that takes two arguments.

Parameters:

function - the original function. May not be null.

argument - the fixed first argument of function.

Returns:

a function that takes one argument. Never null.

curry

public static <P1,P2,P3,RESULT> Functions.Function2<P2,P3,RESULT> curry(Functions.Function3<? super P1,? super P2,? super P3,? extends RESULT> function,
                                                                        P1 argument)

Curries a function that takes three arguments.

Parameters:

function - the original function. May not be null.

argument - the fixed first argument of function.

Returns:

a function that takes two arguments. Never null.

curry

public static <P1,P2,P3,P4,RESULT> Functions.Function3<P2,P3,P4,RESULT> curry(Functions.Function4<? super P1,? super P2,? super P3,? super P4,? extends RESULT> function,
                                                                              P1 argument)

Curries a function that takes four arguments.

Parameters:

function - the original function. May not be null.

argument - the fixed first argument of function.

Returns:

a function that takes three arguments. Never null.

curry

public static <P1,P2,P3,P4,P5,RESULT> Functions.Function4<P2,P3,P4,P5,RESULT> curry(Functions.Function5<? super P1,? super P2,? super P3,? super P4,? super P5,? extends RESULT> function,
                                                                                    P1 argument)

Curries a function that takes five arguments.

Parameters:

function - the original function. May not be null.

argument - the fixed first argument of function.

Returns:

a function that takes four arguments. Never null.

curry

public static <P1,P2,P3,P4,P5,P6,RESULT> Functions.Function5<P2,P3,P4,P5,P6,RESULT> curry(Functions.Function6<? super P1,? super P2,? super P3,? super P4,? super P5,? super P6,? extends RESULT> function,
                                                                                          P1 argument)

Curries a function that takes six arguments.

Parameters:

function - the original function. May not be null.

argument - the fixed first argument of function.

Returns:

a function that takes five arguments. Never null.