assert(<vVariable> [, <sMessage>])
Description (from LUA 4 Manual: 6.1 Basic Functions
"Issues an 'assertion failed!' error when its argument <vVariable> is nil. This function is equivalent to the following Lua function:"
function assert (v, m)
if not v then
m = m or ""
error("assertion failed! " .. m)
end
end
Example
Arguments
<vVariable>: any declared variable.
<sMessage>: optional message to print. The message 'assertion failed!' is used by default.
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