View Source

Class IfExtensions

Extension methods for 'If' checking like checking If something is null or not null

Inheritance

System.Object

Namespace: Umbraco.Core

Assembly: Umbraco.Core.dll

Syntax

public static class IfExtensions

Methods

IfNotNull<TItem>(TItem, Action<TItem>)

The if not null.

Declaration

public static void IfNotNull<TItem>(this TItem item, Action<TItem> action)
    where TItem : class

Parameters

Type	Name	Description
TItem	item	The item.
System.Action<TItem>	action	The action.

Type Parameters

Name	Description
TItem	The type

IfNotNull<TResult, TItem>(TItem, Func<TItem, TResult>, TResult)

Checks if the item is not null, and if so returns an action on that item, or a default value

Declaration

public static TResult IfNotNull<TResult, TItem>(this TItem item, Func<TItem, TResult> action, TResult defaultValue = null)
    where TItem : class

Parameters

Type	Name	Description
TItem	item	The item.
System.Func<TItem, TResult>	action	The action.
TResult	defaultValue	The default value.

Returns

Type	Description
TResult

Type Parameters

Name	Description
TResult	the result type
TItem	The type

IfNull<TItem>(TItem, Func<TItem, TItem>)

Checks if the value is null, if it is it returns the value specified, otherwise returns the non-null value

Declaration

public static TItem IfNull<TItem>(this TItem item, Func<TItem, TItem> action)
    where TItem : class

Parameters

Type	Name	Description
TItem	item
System.Func<TItem, TItem>	action

Returns

Type	Description
TItem

Type Parameters

Name	Description
TItem

IfTrue(Boolean, Action)

The if true.

Declaration

public static void IfTrue(this bool predicate, Action action)

Parameters

Type	Name	Description
System.Boolean	predicate	The predicate.
System.Action	action	The action.