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--[[
Simple signal/slot implementation
]]
local signal_mt = {
__index = {
register = table.insert
}
}
function signal_mt.__index:emit(... --[[ Comment in params ]])
for _, slot in ipairs(self) do
slot(self, ...)
end
end
local function create_signal()
return setmetatable({}, signal_mt)
end
-- Signal test
local signal = create_signal()
signal:register(function(signal, ...)
print(...)
end)
signal:emit('Answer to Life, the Universe, and Everything:', 42)
--[==[ [=[ [[
Nested ]]
multi-line ]=]
comment ]==]
[==[ Nested
[=[ multi-line
[[ string
]] ]=] ]==]
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