Defining, defaulting and deleting some methods.
Defining, defaulting and deleting some methods.

tranvanluan2/M-Tree,tranvanluan2/M-Tree,erdavila/M-Tree,tranvanluan2/M-Tree,erdavila/M-Tree,tranvanluan2/M-Tree,erdavila/M-Tree,erdavila/M-Tree,tranvanluan2/M-Tree,erdavila/M-Tree,erdavila/M-Tree