Discards all existing data in the internal storage for the buffer.
Clear is a procedure used to remove all existing data in the internal storage for the buffer. Clear sets the length of the internal storage for the buffer to 0 (zero).
Clear is called from both the constructor and destructor for the object instance.
Use Remove to discard a specified number of bytes in the internal storage for the buffer.
Use Extract to retrieve data from the buffer for subsequent use prior to removal from the internal storage.
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