ImmutableInterlocked.AddOrUpdate Method

Definition

Namespace:

System.Collections.Immutable

Assembly:

System.Collections.Immutable.dll

Overloads

AddOrUpdate<TKey,TValue>(ImmutableDictionary<TKey,TValue>, TKey, Func<TKey,TValue>, Func<TKey,TValue,TValue>)	Obtains the value from a dictionary after having added it or updated an existing entry.
AddOrUpdate<TKey,TValue>(ImmutableDictionary<TKey,TValue>, TKey, TValue, Func<TKey,TValue,TValue>)	Obtains the value from a dictionary after having added it or updated an existing entry.

AddOrUpdate<TKey,TValue>(ImmutableDictionary<TKey,TValue>, TKey, Func<TKey,TValue>, Func<TKey,TValue,TValue>)

Source:

ImmutableInterlocked.cs

Obtains the value from a dictionary after having added it or updated an existing entry.

public:
generic <typename TKey, typename TValue>
 static TValue AddOrUpdate(System::Collections::Immutable::ImmutableDictionary<TKey, TValue> ^ % location, TKey key, Func<TKey, TValue> ^ addValueFactory, Func<TKey, TValue, TValue> ^ updateValueFactory);

public static TValue AddOrUpdate<TKey,TValue> (ref System.Collections.Immutable.ImmutableDictionary<TKey,TValue> location, TKey key, Func<TKey,TValue> addValueFactory, Func<TKey,TValue,TValue> updateValueFactory);

static member AddOrUpdate : ImmutableDictionary * 'Key * Func<'Key, 'Value> * Func<'Key, 'Value, 'Value> -> 'Value

Public Shared Function AddOrUpdate(Of TKey, TValue) (ByRef location As ImmutableDictionary(Of TKey, TValue), key As TKey, addValueFactory As Func(Of TKey, TValue), updateValueFactory As Func(Of TKey, TValue, TValue)) As TValue

Type Parameters

TKey

The type of key stored by the dictionary.

TValue

The type of value stored by the dictionary.

Parameters

location

ImmutableDictionary<TKey,TValue>

The variable or field to atomically update if the specified is not in the dictionary.

key

TKey

The key for the value to add or update.

addValueFactory

Func<TKey,TValue>

The function that receives the key and returns a new value to add to the dictionary when no value previously exists.

updateValueFactory

Func<TKey,TValue,TValue>

The function that receives the key and prior value and returns the new value with which to update the dictionary.

Returns

TValue

The added or updated value.

AddOrUpdate<TKey,TValue>(ImmutableDictionary<TKey,TValue>, TKey, TValue, Func<TKey,TValue,TValue>)

Source:

ImmutableInterlocked.cs

Obtains the value from a dictionary after having added it or updated an existing entry.

public:
generic <typename TKey, typename TValue>
 static TValue AddOrUpdate(System::Collections::Immutable::ImmutableDictionary<TKey, TValue> ^ % location, TKey key, TValue addValue, Func<TKey, TValue, TValue> ^ updateValueFactory);

public static TValue AddOrUpdate<TKey,TValue> (ref System.Collections.Immutable.ImmutableDictionary<TKey,TValue> location, TKey key, TValue addValue, Func<TKey,TValue,TValue> updateValueFactory);

static member AddOrUpdate : ImmutableDictionary * 'Key * 'Value * Func<'Key, 'Value, 'Value> -> 'Value

Public Shared Function AddOrUpdate(Of TKey, TValue) (ByRef location As ImmutableDictionary(Of TKey, TValue), key As TKey, addValue As TValue, updateValueFactory As Func(Of TKey, TValue, TValue)) As TValue

Type Parameters

TKey

The type of key stored by the dictionary.

TValue

The type of value stored by the dictionary.

Parameters

location

ImmutableDictionary<TKey,TValue>

The variable or field to atomically update if the specified is not in the dictionary.

key

TKey

The key for the value to add or update.

addValue

TValue

The value to use if no previous value exists.

updateValueFactory

Func<TKey,TValue,TValue>

The function that receives the key and prior value and returns the new value with which to update the dictionary.

Returns

TValue

The added or updated value.