convert_function_to_assignment

Global function declarations will be transformed into assignment statements. This rule handles simple global functions, functions with field access (module.function), and method definitions (object:method).

When converting method syntax (:method), the rule automatically adds self as the first parameter to maintain the same behavior.

Note that, depending on your Lua runtime implementation, you may no longer be able to use reflection-like APIs (eg debug.info) to acquire the name of the function, or the function name may be missing from stack traces of error invocations.

Examples

function foo(a, b)
    return a + b
end

foo=function(a, b)    
return a + b
end

function obj:method(value)
    return self.field + value
end

obj.method=function(self, value)    
return self.field + value
end

function foo(a, b)
    return a + b
end

foo=function(a, b)    
return a + b
end

function obj:method(value)
    return self.field + value
end

obj.method=function(self, value)    
return self.field + value
end