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Some important things like mw.ustring.gmatch actually return functions, not strings - see Functions below. no such module. You #invoked a module that didn't exist — or wrote #invoke:Module:x instead of #invoke:x. the function specified did not exist. You #invoked a module, but the field after the name of the module is wrong. Often this field ...
Marshalling data between C and Lua functions is also done using the stack. To call a Lua function, arguments are pushed onto the stack, and then the lua_call is used to call the actual function. When writing a C function to be directly called from Lua, the arguments are read from the stack. Here is an example of calling a Lua function from C:
While this page doesn't currently have anything to say about semicolons, in Lua code they're generally avoided except when necessary (i.e. a statement ending with a function call is followed by a statement starting with a parenthesized expression) or when multiple statements are on a line.
Help:Lua for beginners; Help:Lua debugging – about debugging Lua modules; Wikipedia:Lua style guide – standards to improve the readability of code through consistency; Module:Sandbox provides a pseudo-namespace for experimenting with Lua modules
Switch statements function somewhat similarly to the if statement used in programming languages like C/C++, C#, Visual Basic .NET, Java and exist in most high-level imperative programming languages such as Pascal, Ada, C/C++, C#, [1]: 374–375 Visual Basic .NET, Java, [2]: 157–167 and in many other types of language, using such keywords as ...
Scribunto Lua reference manual; Programming in Lua; Introduction to Lua patterns; About regex. Lua "patterns" are based on Regex (Patterns are a reduced set of regex). Help:Lua metamodules: Lua in Wikipedia has several meta-modules available that can make core functions easily available.
This is not a parking lot. We really need people to move their cars," the Cocoon star explained to the outlet. "If you leave your car behind, leave the key in there so a guy like me can move your ...
See also: the {{}} template. The #if function selects one of two alternatives based on the truth value of a test string. {{#if: test string | value if true | value if false}} As explained above, a string is considered true if it contains at least one non-whitespace character.