string.dump
Lua function string.dump Summary Converts a function into binary Prototype `s = string.dump (f)` Description `Converts a function f into binary representation, which can be subsequently processed by loadstring to retrieve the function. The function must be a Lua function without upvalues.
    function f () print "hello, world" end
    s = string.dump (f)
    assert (loadstring (s)) () --> hello, world
` See Also ... Topics Lua base functions Lua bc (big number) functions Lua bit manipulation functions Lua coroutine functions Lua debug functions Lua io functions Lua math functions Lua os functions Lua package functions Lua PCRE regular expression functions Lua script extensions Lua string functions Lua table functions Lua utilities Regular Expressions Scripting Lua functions string.byte (Converts a character into its ASCII (decimal) equivalent) string.char (Converts ASCII codes into their equivalent characters) string.find (Searches a string for a pattern) string.format (Formats a string) string.gfind (Iterate over a string (obsolete in Lua 5.1)) string.gmatch (Iterate over a string) string.gsub (Substitute strings inside another string) string.len (Return the length of a string) string.lower (Converts a string to lower-case) string.match (Searches a string for a pattern) string.rep (Returns repeated copies of a string) string.reverse (Reverses the order of characters in a string) string.sub (Returns a substring of a string) string.upper (Converts a string to upper-case) (Help topic: lua=string.dump) Documentation contents page