Class FunctionalExtensions

Functional method extensions

Inheritance

System.Object

FunctionalExtensions

Namespace: Syncfusion.DataSource.Extensions

Assembly: Syncfusion.DataSource.Portable.dll

Syntax

public static class FunctionalExtensions : Object

Methods

And<T>(Expression<Func<T, Boolean>>, Expression<Func<T, Boolean>>)

Ands the specified expression1.

Declaration

public static Expression<Func<T, bool>> And<T>(this Expression<Func<T, bool>> expression1, Expression<Func<T, bool>> expression2)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	expression1	The expression1.
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	expression2	The expression2.

Returns

Type	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	Returns the expression.

Type Parameters

Name	Description
T	Generic type parameter.

CreateNew(Type)

Creates the new instance constructor.

Declaration

public static object CreateNew(this Type type)

Parameters

Type	Name	Description
System.Type	type	Represents the type.

Returns

Type	Description
System.Object	Returns the created instance.

CreateNew<T>(Type)

Creates the new instance constructor.

Declaration

public static T CreateNew<T>(this Type type)

Parameters

Type	Name	Description
System.Type	type	The type.

Returns

Type	Description
T	Returns the created instance.

Type Parameters

Name	Description
T	Represents the generic type.

False<T>()

False this instance.

Declaration

public static Expression<Func<T, bool>> False<T>()

Returns

Type	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	Returns generic boolean value.

Type Parameters

Name	Description
T	Generic type parameter.

Fold<T, U>(IEnumerable<U>, Func<T, U, T>, T)

Folds the specified list.

Declaration

public static T Fold<T, U>(this IEnumerable<U> list, Func<T, U, T> function, T type)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<U>	list	The list.
System.Func<T, U, T>	function	The function.
T	type	The type of the parameter.

Returns

Type	Description
T	Returns the specified type.

Type Parameters

Name	Description
T	The first generic type parameter.
U	The second generic type parameter.

FoldLeft<T, U>(IEnumerable<U>, Func<T, U, T>, T)

Folds the left.

Declaration

public static T FoldLeft<T, U>(this IEnumerable<U> list, Func<T, U, T> function, T type)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<U>	list	The list.
System.Func<T, U, T>	function	The function.
T	type	The type of the parameter.

Returns

Type	Description
T	Returns the function.

Type Parameters

Name	Description
T	The first generic type parameter.
U	The second generic type parameter.

FoldRight<T, U>(IEnumerable<U>, Func<T, U, T>, T)

Folds the right.

Declaration

public static T FoldRight<T, U>(this IEnumerable<U> list, Func<T, U, T> func, T type)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<U>	list	The list.
System.Func<T, U, T>	func	The function.
T	type	The type of the parameter.

Returns

Type	Description
T	Returns the type of the parameter.

Type Parameters

Name	Description
T	The first generic type parameter.
U	The second generic type parameter.

ForEach<T>(IEnumerable<T>, Action<T>)

Iterates over a generic IEnumerable instance to a delegated function

Declaration

public static void ForEach<T>(this IEnumerable<T> items, Action<T> action)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<T>	items	The items.
System.Action<T>	action	The action.

Type Parameters

Name	Description
T	Generic type parameter.

ForEach<T>(IEnumerable, Action<T>)

Iterates over an IEnumerable instance to a delegated function

Declaration

public static void ForEach<T>(this IEnumerable items, Action<T> action)

Parameters

Type	Name	Description
System.Collections.IEnumerable	items	The items.
System.Action<T>	action	The action.

Type Parameters

Name	Description
T	Generic type parameter.

IterateIndex<T>(T[], Action<Int32, T>)

Iterates the index.

Declaration

public static void IterateIndex<T>(this T[] items, Action<int, T> action)

Parameters

Type	Name	Description
T[]	items	The items.
System.Action<System.Int32, T>	action	The action.

Type Parameters

Name	Description
T	Generic type parameter.

IterateIndex<T>(IEnumerable<T>, Action<Int32, T>)

Iterates the index.

Declaration

public static void IterateIndex<T>(this IEnumerable<T> items, Action<int, T> action)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<T>	items	The items.
System.Action<System.Int32, T>	action	The action.

Type Parameters

Name	Description
T	Generic type parameter.

IterateIndex<T>(IEnumerable<T>, Action<Int32, T>, Int32)

Iterates the index.

Declaration

public static void IterateIndex<T>(this IEnumerable<T> items, Action<int, T> action, int index)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<T>	items	Represents the items.
System.Action<System.Int32, T>	action	Represents the action.
System.Int32	index	Represents the item index.

Type Parameters

Name	Description
T	Represents the generic type parameter.

MoveTo(IList, Int32, Int32)

Moves to.

Declaration

public static void MoveTo(this IList list, int source, int destination)

Parameters

Type	Name	Description
System.Collections.IList	list	The list.
System.Int32	source	The source.
System.Int32	destination	The destination.

Or<T>(Expression<Func<T, Boolean>>, Expression<Func<T, Boolean>>)

Or the specified expression1.

Declaration

public static Expression<Func<T, bool>> Or<T>(this Expression<Func<T, bool>> expression1, Expression<Func<T, bool>> expression2)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	expression1	The expression1.
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	expression2	The expression2.

Returns

Type	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	Returns the expression.

Type Parameters

Name	Description
T	Generic type parameter.

ToList<T>(IEnumerable)

Represents the enumerable collection to a list.

Declaration

public static IEnumerable<T> ToList<T>(this IEnumerable items)

Parameters

Type	Name	Description
System.Collections.IEnumerable	items	Represents the enumerable items.

Returns

Type	Description
System.Collections.Generic.IEnumerable<T>	Returns the enumerable collection.

Type Parameters

Name	Description
T	Represents the generic type parameter.

ToObservableCollection<T>(IEnumerable<T>)

Converts into ObservableCollection.

Declaration

public static ObservableCollection<T> ToObservableCollection<T>(this IEnumerable<T> items)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<T>	items	Represents the enumerable items.

Returns

Type	Description
System.Collections.ObjectModel.ObservableCollection<T>	Returns the collection.

Type Parameters

Name	Description
T	Represents the generic type parameter.

True<T>()

Trues this instance.

Declaration

public static Expression<Func<T, bool>> True<T>()

Returns

Type	Description
System.Linq.Expressions.Expression<System.Func<T, System.Boolean>>	Returns the boolean value of the instance.

Type Parameters

Name	Description
T	Generic type parameter.

Zip<TFirst, TSecond, TResult>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, TResult>)

Zips the parameters.

Declaration

public static IEnumerable<TResult> Zip<TFirst, TSecond, TResult>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, TResult> resultSelector)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<TFirst>	first	Represents the first parameter.
System.Collections.Generic.IEnumerable<TSecond>	second	Represents the second parameter.
System.Func<TFirst, TSecond, TResult>	resultSelector	Represents the resultant function.

Returns

Type	Description
System.Collections.Generic.IEnumerable<TResult>	Returns the iterated value.

Type Parameters

Name	Description
TFirst	Represents the first generic type parameter.
TSecond	Represents the second generic type parameter.
TResult	Represents the resultant generic type parameter.