Dictionary<TKey, TValue> Constructor (IDictionary<TKey, TValue>)
Assembly: mscorlib (in mscorlib.dll)
Every key in a Dictionary<TKey, TValue> must be unique according to the default equality comparer; likewise, every key in the source dictionary must also be unique according to the default equality comparer.
The initial capacity of the new Dictionary<TKey, TValue> is large enough to contain all the elements in dictionary.
Dictionary<TKey, TValue> requires an equality implementation to determine whether keys are equal. This constructor uses the default generic equality comparer, EqualityComparer<T>.Default. If type TKey implements the System.IEquatable<T> generic interface, the default equality comparer uses that implementation. Alternatively, you can specify an implementation of the IEqualityComparer<T> generic interface by using a constructor that accepts a comparer parameter.
This constructor is an O(n) operation, where n is the number of elements in dictionary.
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