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diff --git a/ko-kr/lua-kr.html.markdown b/ko-kr/lua-kr.html.markdown new file mode 100644 index 00000000..50458f88 --- /dev/null +++ b/ko-kr/lua-kr.html.markdown @@ -0,0 +1,423 @@ +--- +language: lua +category: language +contributors: + - ["Tyler Neylon", "http://tylerneylon.com/"] +translators: + - ["wikibook", "http://wikibook.co.kr"] +lang: ko-kr +--- + +```lua +-- ´ë½Ã µÎ °³´Â ÇÑ ÁÙÂ¥¸® ÁÖ¼®À» ÀǹÌÇÕ´Ï´Ù. + +--[[ + [¿Í ]¸¦ µÎ °³¾¿ Ãß°¡ÇÏ¸é ¿©·¯ ÁÙ ÁÖ¼®ÀÌ µË´Ï´Ù. +--]] + +---------------------------------------------------- +-- 1. º¯¼ö¿Í È帧 Á¦¾î +---------------------------------------------------- + +num = 42 -- ¸ðµç ¼ýÀÚ´Â doubleÀÔ´Ï´Ù. +-- ³î¶ö ÇÊ¿ä´Â ¾ø½À´Ï´Ù. 64ºñÆ® doubleÀº +-- Á¤È®ÇÑ int °ªÀ» ÀúÀåÇϱâ À§ÇØ 52ºñÆ®·Î ±¸¼ºµÅ +-- ÀÖ½À´Ï´Ù. 52ºñÆ® ÀÌÇÏÀÇ int °ª¿¡ ´ëÇؼ´Â +-- Àåºñ Á¤¹Ðµµ¿Í °ü·ÃµÈ ¹®Á¦°¡ »ý±âÁö ¾Ê½À´Ï´Ù. + +s = 'walternate' -- ÆÄÀ̽ã°ú °°Àº ºÒº¯ ¹®ÀÚ¿ +t = "Å«µû¿ÈÇ¥¸¦ ½áµµ µË´Ï´Ù" +u = [[ ÀÌÁß ´ë°ýÈ£´Â + ¿©·¯ ÁÙ ¹®ÀÚ¿À» + ³ªÅ¸³À´Ï´Ù.]] +t = nil -- ¹ÌÁ¤ÀÇ t. ·ç¾Æ´Â °¡ºñÁö Ä÷º¼ÇÀ» Áö¿øÇÕ´Ï´Ù. + +-- ºí·ÏÀº do/end¿Í °°Àº Å°¿öµå·Î ³ªÅ¸³À´Ï´Ù: +while num < 50 do + num = num + 1 -- ++³ª += À¯ÇüÀÇ ¿¬»êÀÚ´Â ¾µ ¼ö ¾ø½À´Ï´Ù. +end + +-- If Àý: +if num > 40 then + print('40 ÀÌ»ó') +elseif s ~= 'walternate' then -- ~=Àº '°°Áö ¾Ê´Ù'ÀÔ´Ï´Ù. + -- µ¿Àϼº °Ë»ç´Â ÆÄÀ̽ã°ú ¸¶Âù°¡Áö·Î ==ÀÔ´Ï´Ù. + -- ¹®ÀÚ¿¿¡µµ ¾µ ¼ö ÀÖ½À´Ï´Ù. + io.write('not over 40\n') -- ±âº»ÀûÀ¸·Î stdout¿¡ ¾¹´Ï´Ù. +else + -- º¯¼ö´Â ±âº»ÀûÀ¸·Î Àü¿ª º¯¼öÀÔ´Ï´Ù. + thisIsGlobal = 5 -- ³«Å¸ Ç¥±â¹ýÀÌ ÀϹÝÀûÀÔ´Ï´Ù. + + -- º¯¼ö¸¦ Áö¿ª º¯¼ö·Î ¸¸µå´Â ¹æ¹ýÀº ´ÙÀ½°ú °°½À´Ï´Ù: + local line = io.read() -- ´ÙÀ½ stdin ÁÙÀ» ÀнÀ´Ï´Ù + + -- ¹®ÀÚ¿ ¿¬°á¿¡´Â .. ¿¬»êÀÚ¸¦ ¾¹´Ï´Ù: + print('°Ü¿ïÀÌ ¿À°í ÀÖ½À´Ï´Ù, ' .. line) +end + +-- ¹ÌÁ¤ÀÇ º¯¼ö´Â nilÀ» ¹ÝȯÇÕ´Ï´Ù. +-- ´ÙÀ½ Äڵ带 ½ÇÇàÇصµ ¿À·ù°¡ ³ªÁö ¾Ê½À´Ï´Ù: +foo = anUnknownVariable -- ÀÌÁ¦ foo´Â nilÀÔ´Ï´Ù. + +aBoolValue = false + +-- nil°ú false¸¸ÀÌ °ÅÁþ°ªÀÔ´Ï´Ù; 0°ú ''Àº ÂüÀÔ´Ï´Ù! +if not aBoolValue then print('twas false') end + +-- 'or'¿Í 'and'´Â ´ÜÃà Æò°¡(short-circuit)µË´Ï´Ù. +-- ´ÙÀ½ ÄÚµå´Â C/ÀÚ¹Ù½ºÅ©¸³Æ®ÀÇ a?b:c ¿¬»êÀÚ¿Í ºñ½ÁÇÕ´Ï´Ù: +ans = aBoolValue and 'yes' or 'no' --> 'no' + +karlSum = 0 +for i = 1, 100 do -- ¹üÀ§¿¡´Â ¸¶Áö¸· ¿ä¼Òµµ Æ÷ÇԵ˴ϴÙ. + karlSum = karlSum + i +end + +-- Ä«¿îÆ® ´Ù¿îÀ» ÇÒ ¶§´Â "100, 1, -1"À» ¹üÀ§·Î ¾¹´Ï´Ù. +fredSum = 0 +for j = 100, 1, -1 do fredSum = fredSum + j end + +-- ÀϹÝÀûÀ¸·Î ¹üÀ§´Â begin, end[, step]ÀÔ´Ï´Ù. + +-- ¶Ç ´Ù¸¥ ¹Ýº¹¹® ±¸¹®Àº ´ÙÀ½°ú °°½À´Ï´Ù: +repeat + print('¹Ì·¡ÀÇ ¹æ½Ä') + num = num - 1 +until num == 0 + + +---------------------------------------------------- +-- 2. ÇÔ¼ö +---------------------------------------------------- + +function fib(n) + if n < 2 then return n end + return fib(n - 2) + fib(n - 1) +end + +-- Ŭ·ÎÀú¿Í À͸í ÇÔ¼öµµ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù: +function adder(x) + -- ¹ÝȯµÈ ÇÔ¼ö´Â adder°¡ È£ÃâµÉ ¶§ »ý¼ºµÇ°í xÀÇ + -- °ªÀÌ À¯ÁöµË´Ï´Ù: + return function (y) return x + y end +end +a1 = adder(9) +a2 = adder(36) +print(a1(16)) --> 25 +print(a2(64)) --> 100 + +-- ¹Ýȯ¹®, ÇÔ¼ö È£Ãâ, ÇÒ´ç¹®Àº ±æÀÌ°¡ ´Ù¸¥ +-- °ªÀÇ ¸®½ºÆ®¿¡ ´ëÇؼµµ ¸ðµÎ µ¿ÀÛÇÕ´Ï´Ù. +-- ¸®½ºÆ®¿¡ °ªÀÌ ´õ ÀûÀ» ¶§´Â nilÀÌ ÇÒ´ç/¹ÝȯµÇ°í +-- ¸®½ºÆ®¿¡ °ªÀÌ ´õ ¸¹À» ¶§´Â ³ª¸ÓÁö °ªÀº ¹ö·ÁÁý´Ï´Ù. + +x, y, z = 1, 2, 3, 4 +-- ÀÌÁ¦ x = 1, y = 2, z = 3ÀÌ°í 4´Â ¹ö·ÁÁý´Ï´Ù. + +function bar(a, b, c) + print(a, b, c) + return 4, 8, 15, 16, 23, 42 +end + +x, y = bar('zaphod') --> "zaphod nil nil"°¡ Ãâ·Â +-- ÀÌÁ¦ x = 4, y = 8ÀÌ°í 15~42ÀÇ °ªÀº ¹ö·ÁÁý´Ï´Ù. + +-- ÇÔ¼ö´Â ÀÏ±Þ °´Ã¼ÀÌ°í, Áö¿ª/Àü¿ª À¯È¿¹üÀ§¸¦ °¡Áú +-- ¼ö ÀÖ½À´Ï´Ù. ¾Æ·¡ÀÇ µÎ ÇÔ¼ö´Â °°½À´Ï´Ù: +function f(x) return x * x end +f = function (x) return x * x end + +-- ±×¸®°í ¾Æ·¡ÀÇ µÎ ÇÔ¼öµµ ¸¶Âù°¡ÁöÀÔ´Ï´Ù: +local function g(x) return math.sin(x) end +local g; g = function (x) return math.sin(x) end +-- 'local g'¶ó°í ¼±¾ðÇϸé g¸¦ Áö¿ª ÇÔ¼ö·Î ¸¸µì´Ï´Ù. + +-- ±×³ªÀú³ª »ï°¢ ÇÔ¼ö´Â ¶óµð¾È ´ÜÀ§·Î µ¿ÀÛÇÕ´Ï´Ù. + +-- ÇÔ¼ö¸¦ È£ÃâÇÒ ¶§ ¹®ÀÚ¿ ¸Å°³º¯¼ö¸¦ Çϳª¸¸ Àü´ÞÇÑ´Ù¸é +-- °ýÈ£¸¦ ¾²Áö ¾Ê¾Æµµ µË´Ï´Ù: +print 'hello' -- Àß µ¿ÀÛÇÕ´Ï´Ù. + + +---------------------------------------------------- +-- 3. Å×À̺í +---------------------------------------------------- + +-- Å×À̺í = ·ç¾ÆÀÇ À¯ÀÏÇÑ º¹ÇÕ ÀڷᱸÁ¶·Î¼, ¿¬°ü ¹è¿ÀÔ´Ï´Ù. +-- PHPÀÇ ¹è¿À̳ª ÀÚ¹Ù½ºÅ©¸³Æ®ÀÇ °´Ã¼¿Í ºñ½ÁÇϸç, +-- ¸®½ºÆ®·Îµµ »ç¿ëÇÒ ¼ö ÀÖ´Â Çؽà ±â¹ÝÀÇ µñ¼Å³Ê¸®ÀÔ´Ï´Ù. + +-- Å×À̺íÀ» µñ¼Å³Ê¸®/¸ÊÀ¸·Î »ç¿ëÇϱâ: + +-- µñ¼Å³Ê¸® ¸®ÅÍ·²Àº ±âº»ÀûÀ¸·Î ¹®ÀÚ¿ Å°¸¦ °¡Áý´Ï´Ù: +t = {key1 = 'value1', key2 = false} + +-- ¹®ÀÚ¿ Å°¿¡´Â ÀÚ¹Ù½ºÅ©¸³Æ®¿Í À¯»çÇÑ Á¡ Ç¥±â¹ýÀ» ¾µ ¼ö ÀÖ½À´Ï´Ù: +print(t.key1) -- 'value1'À» Ãâ·Â. +t.newKey = {} -- »õ Å°/°ª ½ÖÀ» Ãß°¡. +t.key2 = nil -- Å×ÀÌºí¿¡¼ key2¸¦ Á¦°Å. + +-- (nilÀÌ ¾Æ´Ñ) °ªÀ» Å°·Î »ç¿ëÇÏ´Â ¸®ÅÍ·² Ç¥±â¹ý: +u = {['@!#'] = 'qbert', [{}] = 1729, [6.28] = 'tau'} +print(u[6.28]) -- "tau"°¡ Ãâ·Â + +-- Å° ¸ÅĪÀº ±âº»ÀûÀ¸·Î ¼ýÀÚ¿Í ¹®ÀÚ¿¿¡ ´ëÇؼ´Â °ªÀ¸·Î ÇÏÁö¸¸ +-- Å×ÀÌºí¿¡ ´ëÇؼ´Â ½Äº°ÀÚ·Î ÇÕ´Ï´Ù. +a = u['@!#'] -- Now a = 'qbert'. +b = u[{}] -- We might expect 1729, but it's nil: +a = u['@!#'] -- ÀÌÁ¦ a´Â 'qbert'ÀÔ´Ï´Ù. +b = u[{}] -- 1729¸¦ ¿¹»óÇß°ÚÁö¸¸ nilÀÔ´Ï´Ù: +-- Ž»öÀÌ ½ÇÆÐÇϱ⠶§¹®¿¡ b´Â nilÀÔ´Ï´Ù. Ž»öÀÌ ½ÇÆÐÇÏ´Â ÀÌÀ¯´Â +-- »ç¿ëµÈ Å°°¡ ¿øº» °ªÀ» ÀúÀåÇÒ ¶§ »ç¿ëÇÑ Å°¿Í µ¿ÀÏÇÑ °´Ã¼°¡ ¾Æ´Ï±â +-- ¶§¹®ÀÔ´Ï´Ù. µû¶ó¼ ¹®ÀÚ¿ ¹× ¼ýÀÚ°¡ Á» ´õ À̽ļº ÀÖ´Â Å°ÀÔ´Ï´Ù. + +-- Å×À̺í Çϳª¸¦ ¸Å°³º¯¼ö·Î ÃëÇÏ´Â ÇÔ¼ö¸¦ È£ÃâÇÒ ¶§´Â °ýÈ£°¡ ÇÊ¿äÇÏÁö ¾Ê½À´Ï´Ù: +function h(x) print(x.key1) end +h{key1 = 'Sonmi~451'} -- 'Sonmi~451'¸¦ Ãâ·Â. + +for key, val in pairs(u) do -- Å×ÀÌºí ¼øȸ + print(key, val) +end + +-- _G´Â ¸ðµç Àü¿ª ¸â¹ö¿¡ ´ëÇÑ Æ¯º°ÇÑ Å×À̺íÀÔ´Ï´Ù. +print(_G['_G'] == _G) -- 'true'°¡ Ãâ·Â + +-- Å×À̺íÀ» ¸®½ºÆ®/¹è¿·Î »ç¿ëÇϱâ: + +-- ¸®½ºÆ® ¸®ÅÍ·²Àº ¾Ï¹¬ÀûÀ¸·Î int Å°·Î ¼³Á¤µË´Ï´Ù: +v = {'value1', 'value2', 1.21, 'gigawatts'} +for i = 1, #v do -- #v´Â ¸®½ºÆ® vÀÇ Å©±âÀÔ´Ï´Ù. + print(v[i]) -- À妽º°¡ 1¿¡¼ ½ÃÀÛÇÕ´Ï´Ù!! Á¦Á¤½ÅÀÌ ¾Æ´Õ´Ï´Ù! +end +-- 'list'´Â ½ÇÁ¦ ŸÀÔÀÌ ¾Æ´Õ´Ï´Ù. v´Â ¿¬¼ÓµÈ Á¤¼öÇü Å°°¡ Æ÷ÇÔµÈ +-- Å×À̺íÀÌ°í ¸®½ºÆ®·Î Ãë±ÞµÉ »ÓÀÔ´Ï´Ù. + +---------------------------------------------------- +-- 3.1 ¸ÞŸÅ×À̺í°ú ¸ÞŸ¸Þ¼µå +---------------------------------------------------- + +-- Å×À̺íÀº Å×ÀÌºí¿¡ ¿¬»êÀÚ ¿À¹ö·ÎµùÀ» °¡´ÉÇÏ°Ô ÇÏ´Â ¸ÞŸÅ×À̺íÀ» +-- °¡Áú ¼ö ÀÖ½À´Ï´Ù. ³ªÁß¿¡ ¸ÞŸÅ×À̺íÀÌ ¾î¶»°Ô ÀÚ¹Ù½ºÅ©¸³Æ® +-- ÇÁ·ÎÅäŸÀÔ°ú °°Àº ÇàÀ§¸¦ Áö¿øÇÏ´ÂÁö »ìÆ캸°Ú½À´Ï´Ù. + +f1 = {a = 1, b = 2} -- ºÐ¼ö a/b¸¦ Ç¥Çö +f2 = {a = 2, b = 3} + +-- ´ÙÀ½ ÄÚµå´Â ½ÇÆÐÇÕ´Ï´Ù: +-- s = f1 + f2 + +metafraction = {} +function metafraction.__add(f1, f2) + sum = {} + sum.b = f1.b * f2.b + sum.a = f1.a * f2.b + f2.a * f1.b + return sum +end + +setmetatable(f1, metafraction) +setmetatable(f2, metafraction) + +s = f1 + f2 -- f1ÀÇ ¸ÞŸÅ×À̺íÀ» ´ë»óÀ¸·Î __add(f1, f2)¸¦ È£Ãâ + +-- f1°ú f2´Â ÀÚ¹Ù½ºÅ©¸³Æ®ÀÇ ÇÁ·ÎÅäŸÀÔ°ú ´Þ¸® °¢ ¸ÞŸÅ×ÀÌºí¿¡ ´ëÇÑ +-- Å°°¡ ¾ø¾î¼ getmetatable(f1)°ú °°ÀÌ ¹Þ¾Æ¿Í¾ß ÇÕ´Ï´Ù. +-- ¸ÞŸÅ×À̺íÀº __add °°Àº ·ç¾Æ°¡ ¾Ë°í ÀÖ´Â Å°°¡ ÁöÁ¤µÈ ÀÏ¹Ý Å×À̺íÀÔ´Ï´Ù. + +-- ±×·¸Áö¸¸ ´ÙÀ½ ÁÙÀº s°¡ ¸ÞŸÅ×À̺íÀ» °¡Áö°í ÀÖÁö ¾Ê±â ¶§¹®¿¡ ½ÇÆÐÇÕ´Ï´Ù. +-- t = s + s +-- ¾Æ·¡¿Í °°ÀÌ Å¬·¡½º¿Í À¯»çÇÑ ÆÐÅÏÀº ÀÌ·¯ÇÑ ¹®Á¦°¡ ¹ß»ýÇÏÁö ¾Ê½À´Ï´Ù. + +-- ¸ÞŸÅ×ÀÌºí¿¡ ´ëÇÑ __index´Â Á¡À» ÀÌ¿ëÇÑ Å½»öÀ» ¿À¹ö·ÎµåÇÕ´Ï´Ù: +defaultFavs = {animal = 'gru', food = 'donuts'} +myFavs = {food = 'pizza'} +setmetatable(myFavs, {__index = defaultFavs}) +eatenBy = myFavs.animal -- µ¿ÀÛÇÕ´Ï´Ù! °í¸¶¿ö¿ä, ¸ÞŸÅ×À̺í! + +-- Á÷Á¢ÀûÀÎ ¸ÞŸÅ×À̺í Ž»öÀÌ ½ÇÆÐÇÒ °æ¿ì ¸ÞŸÅ×À̺íÀÇ __index °ªÀ» ÀÌ¿ëÇØ +-- Àç½ÃµµÇÏ°í, ÀÌ·± °úÁ¤ÀÌ ¹Ýº¹µË´Ï´Ù. + +-- __index °ªÀº Á» ´õ ¼¼ºÐÈµÈ Å½»öÀ» À§ÇØ function(tbl, key)°¡ +-- µÉ ¼öµµ ÀÖ½À´Ï´Ù. + +-- __index, __add, ...ÀÇ °ªÀ» ¸ÞŸ¸Þ¼µå¶ó°í ÇÕ´Ï´Ù. +-- ´ÙÀ½Àº ¸ÞŸ¸Þ¼µå¸¦ °¡Áø Å×À̺íÀÇ Àüü ¸ñ·ÏÀÔ´Ï´Ù. + +-- __add(a, b) for a + b +-- __sub(a, b) for a - b +-- __mul(a, b) for a * b +-- __div(a, b) for a / b +-- __mod(a, b) for a % b +-- __pow(a, b) for a ^ b +-- __unm(a) for -a +-- __concat(a, b) for a .. b +-- __len(a) for #a +-- __eq(a, b) for a == b +-- __lt(a, b) for a < b +-- __le(a, b) for a <= b +-- __index(a, b) <fnÀ̳ª Å×À̺í> for a.b +-- __newindex(a, b, c) for a.b = c +-- __call(a, ...) for a(...) + +---------------------------------------------------- +-- 3.2 Ŭ·¡½º ÇüÅÂÀÇ Å×À̺í°ú »ó¼Ó +---------------------------------------------------- + +-- ·ç¾Æ¿¡´Â Ŭ·¡½º°¡ ³»ÀåµÅ ÀÖÁö ¾ÊÀ¸¸ç, Å×À̺í°ú ¸ÞŸÅ×À̺íÀ» +-- ÀÌ¿ëÇØ Å¬·¡½º¸¦ ¸¸µå´Â ´Ù¾çÇÑ ¹æ¹ýÀÌ ÀÖ½À´Ï´Ù. + +-- ´ÙÀ½ ¿¹Á¦¿¡ ´ëÇÑ ¼³¸íÀº ÇÏ´ÜÀ» ÂüÁ¶ÇÕ´Ï´Ù. + +Dog = {} -- 1. + +function Dog:new() -- 2. + newObj = {sound = 'woof'} -- 3. + self.__index = self -- 4. + return setmetatable(newObj, self) -- 5. +end + +function Dog:makeSound() -- 6. + print('I say ' .. self.sound) +end + +mrDog = Dog:new() -- 7. +mrDog:makeSound() -- 'I say woof' -- 8. + +-- 1. Dog´Â Ŭ·¡½ºÃ³·³ µ¿ÀÛÇÕ´Ï´Ù. ½ÇÁ¦·Î´Â Å×À̺íÀÔ´Ï´Ù. +-- 2. function Å×À̺í¸í:fn(...)Àº +-- function Å×À̺í¸í.fn(self, ...)°ú °°½À´Ï´Ù. +-- :´Â self¶ó´Â ù ¹ø° ÀÎÀÚ¸¦ Ãß°¡ÇÒ »ÓÀÔ´Ï´Ù. +-- self°¡ °ªÀ» ¾î¶»°Ô ¾ò´ÂÁö ±Ã±ÝÇÏ´Ù¸é ¾Æ·¡ÀÇ 7°ú 8À» Àо¼¼¿ä. +-- 3. newObj´Â Dog Ŭ·¡½ºÀÇ ÀνºÅϽº°¡ µË´Ï´Ù. +-- 4. self = ÀνºÅϽºÈµÇ´Â Ŭ·¡½º. +-- ÁÖ·Î self = DogÀÌÁö¸¸ »ó¼ÓÀ» ÀÌ¿ëÇϸé ÀÌ°ÍÀ» ¹Ù²Ü ¼ö ÀÖ½À´Ï´Ù. +-- newObjÀÇ ¸ÞŸÅ×À̺í°ú selfÀÇ __index¸¦ ¸ðµÎ self¿¡ ¼³Á¤Çϸé +-- newObj°¡ selfÀÇ ÇÔ¼ö¸¦ °®°Ô µË´Ï´Ù. +-- 5. Âü°í: setmetatableÀº ù ¹ø° ÀÎÀÚ¸¦ ¹ÝȯÇÕ´Ï´Ù. +-- 6. :´Â 2¿¡¼ ¼³¸íÇÑ °Í°ú °°ÀÌ µ¿ÀÛÇÏÁö¸¸ À̹ø¿¡´Â self°¡ +-- Ŭ·¡½º°¡ ¾Æ´Ñ ÀνºÅϽº¶ó°í ¿¹»óÇÒ ¼ö ÀÖ½À´Ï´Ù. +-- 7. Dog.new(Dog)°ú °°À¸¹Ç·Î new()¿¡¼´Â self = DogÀÔ´Ï´Ù. +-- 8. mrDog.makeSound(mrDog)°ú °°À¸¹Ç·Î self = mrDogÀÔ´Ï´Ù. + +---------------------------------------------------- + +-- »ó¼Ó ¿¹Á¦: + +LoudDog = Dog:new() -- 1. + +function LoudDog:makeSound() + s = self.sound .. ' ' -- 2. + print(s .. s .. s) +end + +seymour = LoudDog:new() -- 3. +seymour:makeSound() -- 'woof woof woof' -- 4. + +-- 1. LoudDogÀº DogÀÇ ¸Þ¼µå¿Í º¯¼ö¸¦ °®°Ô µË´Ï´Ù. +-- 2. self´Â new()¿¡¼ 'sound' Å°¸¦ °¡Áý´Ï´Ù. 3À» Âü°íÇϼ¼¿ä. +-- 3. LoudDog.new(LoudDog)°ú °°°í, LoudDogÀº 'new' Å°°¡ ¾øÁö¸¸ +-- ¸ÞŸÅ×ÀÌºí¿¡¼ __index = DogÀ̱⠶§¹®¿¡ Dog.new(LoudDog)À¸·Î +-- º¯È¯µË´Ï´Ù. +-- °á°ú: seymourÀÇ ¸ÞŸÅ×À̺íÀº LoudDogÀÌ°í LoudDog.__index´Â +-- LoudDogÀÔ´Ï´Ù. µû¶ó¼ seymour.key´Â seymour.key, +-- LoudDog.key, Dog.key¿Í °°À» °ÍÀ̸ç, ÁöÁ¤ÇÑ Å°¿¡ ¾î¶² Å×À̺íÀÌ +-- ¿Àµç »ó°ü¾øÀ» °ÍÀÔ´Ï´Ù. +-- 4. 'makeSound' Å°´Â LoudDog¿¡¼ ¹ß°ßÇÒ ¼ö ÀÖ½À´Ï´Ù. +-- ÀÌ°ÍÀº LoudDog.makeSound(seymour)¿Í °°½À´Ï´Ù. + +-- ÇÊ¿äÇÒ °æ¿ì, ÇÏÀ§ Ŭ·¡½ºÀÇ new()´Â ±â¹Ý Ŭ·¡½ºÀÇ new()¿Í À¯»çÇÕ´Ï´Ù. +function LoudDog:new() + newObj = {} + -- set up newObj + self.__index = self + return setmetatable(newObj, self) +end + +---------------------------------------------------- +-- 4. ¸ðµâ +---------------------------------------------------- + + +--[[ ¿©±â¼ ÁÖ¼®À» Á¦°ÅÇϸé ÀÌ ½ºÅ©¸³Æ®ÀÇ ³ª¸ÓÁö ºÎºÐÀº +-- ½ÇÇà °¡´ÉÇÑ »óÅ°¡ µË´Ï´Ù. +``` + +```lua +-- mod.lua ÆÄÀÏÀÇ ³»¿ëÀÌ ´ÙÀ½°ú °°´Ù°í °¡Á¤ÇØ º¾½Ã´Ù. +local M = {} + +local function sayMyName() + print('À̼ҷæ') +end + +function M.sayHello() + print('¾È³çÇϼ¼¿ä') + sayMyName() +end + +return M + +-- ¶Ç ´Ù¸¥ ÆÄÀÏ¿¡¼´Â mod.luaÀÇ ±â´ÉÀ» ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. +local mod = require('mod') -- mod.lua ÆÄÀÏÀ» ½ÇÇà + +-- require´Â ¸ðµâÀ» Æ÷ÇÔ½ÃÅ°´Â Ç¥ÁØÈµÈ ¹æ¹ýÀÔ´Ï´Ù. +-- require´Â ´ÙÀ½°ú °°ÀÌ µ¿ÀÛÇÕ´Ï´Ù: (ij½ÌµÅ ÀÖÁö ¾ÊÀ» °æ¿ì. ÇÏ´Ü ÂüÁ¶) +local mod = (function () + <mod.luaÀÇ ³»¿ë> +end)() +-- mod.lua°¡ ÇÔ¼öÀÇ º»¹®Ã³·³ µÇ¹Ç·Î mod.lua ¾ÈÀÇ Áö¿ª ¸â¹ö´Â +-- ¹Û¿¡¼ º¼ ¼ö ¾ø½À´Ï´Ù. + +-- ´ÙÀ½ Äڵ尡 µ¿ÀÛÇÏ´Â °ÍÀº mod°¡ mod.luaÀÇ M°ú °°±â ¶§¹®ÀÔ´Ï´Ù. +mod.sayHello() -- ÀÌ¼Ò·æ ¾¾¿¡°Ô Àλ縦 °Ç³Ü´Ï´Ù. + +-- ´ÙÀ½ Äڵ带 ½ÇÇàÇÏ¸é ¿À·ù°¡ ¹ß»ýÇÕ´Ï´Ù. +-- sayMyName´Â mod.lua ¾È¿¡¼¸¸ Á¸ÀçÇϱ⠶§¹®ÀÔ´Ï´Ù: +mod.sayMyName() -- ¿À·ù + +-- requireÀÇ ¹Ýȯ°ªÀº ij½ÌµÇ¹Ç·Î require¸¦ ¿©·¯ ¹ø ½ÇÇàÇصµ +-- ÆÄÀÏÀº ÃÖ´ë ÇÑ ¹ø¸¸ ½ÇÇàµË´Ï´Ù. + +-- mod2.lua¿¡ "print('Hi')"°¡ µé¾î ÀÖ´Ù°í °¡Á¤ÇØ º¾½Ã´Ù. +local a = require('mod2') -- Hi!¸¦ Ãâ·Â +local b = require('mod2') -- print¸¦ ½ÇÇàÇÏÁö ¾ÊÀ½. a=b + +-- dofileÀº require¿Í ºñ½ÁÇÏÁö¸¸ ij½ÌÀ» ÇÏÁö ¾Ê½À´Ï´Ù: +dofile('mod2') --> Hi! +dofile('mod2') --> Hi! (require¿Í ´Þ¸® ´Ù½Ã Çѹø ½ÇÇàµÊ) + +-- loadfileÀº ·ç¾Æ ÆÄÀÏÀ» ÀоîµéÀÌÁö¸¸ ½ÇÇàÇÏÁö´Â ¾Ê½À´Ï´Ù +f = loadfile('mod2') -- f()¸¦ È£ÃâÇØ¾ß mod2.lua°¡ ½ÇÇàµË´Ï´Ù. + +-- loadstringÀº ¹®ÀÚ¿¿¡ ´ëÇÑ loadfileÀÔ´Ï´Ù. +g = loadstring('print(343)') -- ÇÔ¼ö¸¦ ¹ÝȯÇÕ´Ï´Ù. +g() -- 343ÀÌ Ãâ·ÂµË´Ï´Ù. ±×Àü±îÁö´Â ¾Æ¹«°Íµµ Ãâ·ÂµÇÁö ¾Ê½À´Ï´Ù. + +--]] + +``` +## Âü°íÀÚ·á + +·ç¾Æ¸¦ ¹è¿ì´Â ÀÏÀÌ Èï¹ÌÁøÁøÇß´ø ÀÌÀ¯´Â <a href="http://love2d.org/">Love 2D °ÔÀÓ ¿£Áø</a>À» ÀÌ¿ëÇØ +°ÔÀÓÀ» ¸¸µé ¼ö ÀÖ¾ú±â ¶§¹®ÀÔ´Ï´Ù. ÀÌ°ÍÀÌ Á¦°¡ ·ç¾Æ¸¦ ¹è¿î ÀÌÀ¯ÀÔ´Ï´Ù. + +Àú´Â <a href="http://nova-fusion.com/2012/08/27/lua-for-programmers-part-1/">BlackBulletIVÀÇ "ÇÁ·Î±×·¡¸Ó¸¦ À§ÇÑ ·ç¾Æ"</a>·Î +½ÃÀÛÇß½À´Ï´Ù. ±×´ÙÀ½À¸·Î °ø½Ä <a href="http://www.lua.org/pil/contents.html">"ÇÁ·Î±×·¡¹Ö ·ç¾Æ"</a> Ã¥À» Àоú½À´Ï´Ù. +±×·¸°Ô ·ç¾Æ¸¦ ¹è¿ü½À´Ï´Ù. + +lua-users.org¿¡ ÀÖ´Â <a href="http://lua-users.org/files/wiki_insecure/users/thomasl/luarefv51.pdf">ªÀº ·ç¾Æ ·¹ÆÛ·±½º</a>¸¦ +ÀоîµÎ¸é µµ¿òµÉÁöµµ ¸ð¸£°Ú½À´Ï´Ù. + +¿©±â¼´Â Ç¥ÁØ ¶óÀ̺귯¸®¿¡ °üÇؼ´Â ´Ù·çÁö ¾Ê¾Ò½À´Ï´Ù. + +* <a href="http://lua-users.org/wiki/StringLibraryTutorial">string ¶óÀ̺귯¸®</a> +* <a href="http://lua-users.org/wiki/TableLibraryTutorial">table ¶óÀ̺귯¸®</a> +* <a href="http://lua-users.org/wiki/MathLibraryTutorial">math ¶óÀ̺귯¸®</a> +* <a href="http://lua-users.org/wiki/IoLibraryTutorial">io ¶óÀ̺귯¸®</a> +* <a href="http://lua-users.org/wiki/OsLibraryTutorial">os ¶óÀ̺귯¸®</a> + +±×³ªÀú³ª ÀÌ ÆÄÀÏ Àüü´Â À¯È¿ÇÑ ·ç¾Æ ÇÁ·Î±×·¥ÀÔ´Ï´Ù. ÀÌ ÆÄÀÏÀ» +learn.lua·Î ÀúÀåÇÑ ÈÄ "lua learn.lua"¸¦ ½ÇÇàÇØ º¸¼¼¿ä! + +ÀÌ ±ÛÀº tylerneylon.com¿¡ óÀ½À¸·Î ½áº» ±ÛÀ̸ç, +<a href="https://gist.github.com/tylerneylon/5853042">GithubÀÇ Gist</a>¿¡¼µµ È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù. +·ç¾Æ·Î Áñ°Å¿î ½Ã°£À» º¸³»¼¼¿ä!
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