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GabeStah/gist:5cb1b077a5c48ca9db05

Created March 2, 2015 00:20
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gistfile1.lua
-- EXAMPLE 1
local a = 123
local b = 456
local c = 789
local d = c and a or 'missing'
print(d)
-- OUTPUT: 123
---------------
-- EXAMPLE 2
local a = 123
local b = 456
local c
local d = c and a or 'missing'
print(d)
-- OUTPUT: missing
---------------
---------------
-- EXAMPLE 3
local a
local b = 456
local c
local d = c and a or 'missing'
print(d)
-- OUTPUT: nil
---------------
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