Class GlobalClassExtensions

Extension methods for all classes.

Inheritance

System.Object

GlobalClassExtensions

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Annex.Global

Assembly: Annex.dll

Syntax

[PublicAPI]
public static class GlobalClassExtensions

Methods

NullIf<T>(T, T)

Returns null if the source value is equal to the provided value.

Declaration

public static T NullIf<T>([NotNull] this T this, [NotNull] T value)
    where T : class

Parameters

Type	Name	Description
T	this	The source value.
T	value	The value to compare.

Returns

Type	Description
T	null if the source value is equal to the provided value, otherwise false.

Type Parameters

Name	Description
T	The type of the value.

Examples

"UnwantedValue".NullIf("UnwantedValue"); // null
"WantedValue".NullIf("UnwantedValue"); // WantedValue

Exceptions

Type	Condition
System.ArgumentNullException	this or value is null.

NullIf<T>(T, T, IEqualityComparer<T>)

Returns null if the source value is equal to the provided value.

Declaration

public static T NullIf<T>([NotNull] this T this, [NotNull] T value, [NotNull] IEqualityComparer<T> comparer)
    where T : class

Parameters

Type	Name	Description
T	this	The source value.
T	value	The value to compare.
System.Collections.Generic.IEqualityComparer<T>	comparer	The comparer implementation to use to check for equality.

Returns

Type	Description
T	null if the source value is equal to the provided value, otherwise false.

Type Parameters

Name	Description
T	The type of the value.

Examples

"UnwantedValue".NullIf("UnwantedValue", EqualityComparer<T>.Default); // null
"WantedValue".NullIf("UnwantedValue", EqualityComparer<T>.Default); // WantedValue

Exceptions

Type	Condition
System.ArgumentNullException	this, value, or comparer is null.