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updated class docs about super construction

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Max Cahill 2021-07-16 19:39:24 +10:00
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commit 453f00d82f
1 changed files with 13 additions and 3 deletions
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class.lua
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@ -1,14 +1,24 @@
--[[
barebones oop basics
call the class object to construct a new instance
construction
call the class object to construct a new instance
this will construct a new table, assign it as a class
instance, and call `new`
if you are defining a subclass, you will need to call
`self:super(...)` as part of `new` to complete superclass
construction - if done correctly this will propagate
up the chain and you wont have to think about it
classes are used as metatables directly so that
metamethods "just work" - except for index, which is
used to hook up instance methods
classes do use a prototype chain for inheritance, but
also copy their interfaces (including superclass)
classes do use a prototype chain for inheritance, but
also copy their interfaces (including superclass)
we copy interfaces in classes rather than relying on
a prototype chain, so that pairs on the class gets