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To whit:

local function f(t, var)

f(3, x or 2)

Prints 2 in Lua 5.1. Wouldn't have thought of doing that though, thanks for the idea! This is a great idiom.

(Am I missing something? Would your patch catch some case this wouldn't work with?)

On Apr 20, 2013 11:41 PM, "Dirk Laurie" <> wrote:
    function f(x,y=0)
    function f(x,y or 0)

to mean

    function f(x,y) y=y or 0

Neither would break existing code.

Which of the above should I choose to implement as a patch?