Create an index from a sequence of keys and check if they are sorted or not

Create an index from a sequence of keys and assume they are not sorted (the resulting index is also not sorted).

Determines whether the specified object is equal to the current object.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Serves as the default hash function.

Gets the Type of the current instance.

Creates a shallow copy of the current Object.

Returns a string that represents the current object.