vtable

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English[edit]

Etymology[edit]

Shortening of virtual method table or virtual function table.

Pronunciation[edit]

Noun[edit]

vtable (plural vtables)

  1. (programming) A table of memory pointers to different implementations of a virtual function.
    Synonyms: vftable, VMT
    • 2000, Robert C. Martin, More C++ gems:
      This solution allows the Command executor to iterate through a collection of unrelated objects with no vtables and pick out the right method for each one.
    • 2003, John C. Mitchell, Concepts in programming languages:
      Note that nonvirtual functions do not appear in a vtable.
    • 2003, Steve Heller, C++: a dialogue: programming with the C++ standard library:
      The most likely result will be a crash when the code tries to use a vtable entry that contains random garbage.

Further reading[edit]

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