> 0:39 - 1:35 Functions in Lua by Roberto Ierusalimschy A paper about this talk has just been published: First-class functions in an imperative world by R. Ierusalimschy, Journal of Universal Computer Science 23 #1 (2017) 112-126. http://www.jucs.org/jucs_23_1/first_class_functions_in http://www.lua.org/doc/jucs17.pdf It now appears in http://www.lua.org/docs.html#papers .