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PureAttribute Class

Indicates that a type or method is pure, that is, it does not make any visible state changes.

System.Object
  System.Attribute
    System.Diagnostics.Contracts.PureAttribute

Namespace:  System.Diagnostics.Contracts
Assembly:  mscorlib (in mscorlib.dll)

[ConditionalAttribute("CONTRACTS_FULL")]
[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property|AttributeTargets.Event|AttributeTargets.Parameter|AttributeTargets.Delegate, AllowMultiple = false, 
	Inherited = true)]
public sealed class PureAttribute : Attribute

The PureAttribute type exposes the following members.

  NameDescription
Public methodPureAttributeInitializes a new instance of the PureAttribute class.
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  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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Methods and types that are marked with this attribute can be used in calls to System.Diagnostics.Contracts.Contract methods. Pure methods do not make any visible state changes. This attribute is not enforced by the current analysis tools; you should use this attribute only if you are sure that the methods are pure.

Silverlight

Supported in: 5, 4

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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