Lua Programming/How to Lua/colon
Definition of methods
-- These two statements are equivalent function a.b:c (params) body end a.b.c = function (self, params) body end
Calls to object oriented methods
The colon symbol provides a special syntax for object oriented calls.
-- By using a colon operator, the name of the object does not need to be passed as a first argument myobj:foo(n) -- equivalent to myobj.foo(myobj, n)
Calls to instance methods
The colon symbol is used to define calls to instance methods:Last modified on 4 February 2011, at 22:29