Return value#
| Type | Meaning |
|---|---|
any, ... |
Types describe the declared interface, not proof of a successful game effect. |
Parameters#
| Name | Type |
|---|---|
value |
any |
message? |
string |
? marks an optional argument; ... means a variable number of arguments. Invalid input can raise a Lua error rather than return nil.
Example and context#
local value = assert(tonumber("12"), "Expected a number")What happens: value = 12 (number); the assertion passes.
This fragment does not print or write a log message. The values shown are the expected results of the example.
See language basics, types and methods and Lua / MD events. Examples there are independent learning examples. No project source files or private implementation fragments are distributed with this reference.