{"id":169,"date":"2013-03-02T07:01:14","date_gmt":"2013-03-02T07:01:14","guid":{"rendered":"http:\/\/ta.onionmixer.net\/wordpress\/?p=169"},"modified":"2013-03-05T13:05:11","modified_gmt":"2013-03-05T13:05:11","slug":"injectinto-%ec%97%90-%eb%8c%80%ed%95%b4-%ec%a1%b0%ea%b8%88-%eb%8d%94-%ec%83%9d%ea%b0%81%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/ta.onionmixer.net\/wordpress\/?p=169","title":{"rendered":"inject:into: \uc5d0 \ub300\ud574 \uc870\uae08 \ub354 \uc0dd\uac01\ud558\uae30"},"content":{"rendered":"

inject:into:\ub97c \uc4f0\ub294\uacf3\uc740 \uc885\uc885\uc788\ub294\ub370 (\ubc30\uc5f4 \ub0b4\ubd80 element\uc758 \ud569\uc744 \uad6c\ud558\ub294\uacbd\uc6b0)
\n\uadf8\uac8c \uc5b4\ub5a4\uc2dd\uc73c\ub85c \ub3d9\uc791\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc880 \uc790\uc138\ud788 \uc4f0\uc5ec\uc9c4 \ub0b4\uc6a9\uc774 \uc5c6\ub354\uad70\uc694.
\n\uadf8\ub798\uc11c \ub300\uccb4 \uc5b4\ub5bb\uac8c \ub3cc\uc544\uac00\ub294\uc9c0 \uad81\uae08\ud574\uc9c0\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc77c\ub2e8 gnu smalltalk\uc5d0\uc11c \uc81c\uacf5\ub418\ub294 \uc608\uc81c\ub97c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.
\n(\ucd9c\ucc98 : http:\/\/en.wikipedia.org\/wiki\/GNU_Smalltalk)<\/p>\n

\r\n#(1 3 5) inject: 10 into: [ :sum :element | sum + element ] \"=> 19\"\r\n<\/pre>\n
\uc624\ud638\ub77c… \uc774\ub807\uac8c \ud558\ub2c8\uae4c 19\uac00 \ub098\uc628\ub300\uc694..(\ubb3c\ub860 printIt\uc73c\ub85c \ubcf4\ub294\uac70\ub77c\ub294\uac74 \uc54c\uace0 \uacc4\uc2dc\uaca0\uc8e0 \ub2e4\ub4e4?)<\/p>\n
………..
\n………………..
\n\uc57c.. \ub0b4\ubd80\ub97c \ub354\ud55c\ub2e4\ub9e4 \uc65c 19\uc57c?
\n\uadf8\ub807\uc8e0.. 10+1+3+5\uc758 \uacb0\uacfc\ub2c8\uae50 \uc800\ub807\uac8c 19\uac00 \ub418\ub294\uac81\ub2c8\ub2e4.
\n\ub300\uccb4 \uc5b4\ub5a4 \uc21c\uc11c\ub85c \ub3d9\uc791\ud558\uae38\ub798 \uc800\ub7f0\uacb0\uacfc\uac00 \ub098\uc624\ub294\uac78\uae4c\uc694?
\n\uadf8\ub798\uc11c step\ubcc4\ub85c \uac01 \ubcc0\uc218\uc758 value\ub97c \ucd94\uc801\ud574\ubcf4\uba74 \ub2e4\uc74c\uacfc\uac19\uc740 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\n1step. sum=10, element=1\r\n2step. sum=11, element=3\r\n3step. sum=14, element=5\r\n<\/pre>\n
\uc624\ud638…. \uc774\uac83\ubd10\ub77c? \uae30\ubcf8\uc801\uc73c\ub85c inject\uc5d0 \uc788\ub294 10\uc744 \uae30\ubcf8\uac12\uc73c\ub85c \uc7a1\uace0 a=a+b\uc758 \uc2dd\uc73c\ub85c \uc5f0\uc0b0\uc744 \ud558\uace0\uc788\uad70\uc694.
\n\uadf8\ub7fc \uccab\uc9f8 \ubcc0\uc218\uac00 inject\ucd08\uae30\uac12 \uadf8\ub9ac\uace0 \ub367\uc148\uc758 \uacb0\uacfc\uac12\uc744 \ud56d\uc0c1 \uac00\uc9c0\uace0\uc788\uac8c\ub418\uace0 \ub458\uc9f8\ubcc0\uc218\ub294 \ubc30\uc5f4\uc758 \uc21c\ubc88\uc5d0 \ub530\ub77c
\n\ucc28\ub840\ub300\ub85c \ubc30\uc5f4 \ub0b4\uc758 element\uc758 \uac12\uc744 \uac00\uc838\uc624\uac8c \ub418\ub294\uac70\uac19\uc2b5\ub2c8\ub2e4.
\n(………..\uc0ac\uc2e4 \ubcc0\uc218\uc774\ub984\uc744 \uc0dd\uac01\ud574\ubcf4\uba74 \uac04\ub2e8\ud55c\uac70\uc600\ub294\ub370…. \uc5ed\uc2dc \ubc14\ubcf4\ub294 \uc5b4\uca54\uc218\uc5c6…-.-)<\/p>\n
\uadf8\ub7fc \ub300\uccb4 \uc5b4\ub5bb\uac00 \uac12\uc744 trace\ud558\ub294\uac00?
\n\uc2b9\ubc94\ub2d8\uc774 \uc54c\ub824\uc8fc\uc2e0\ub300\ub85c\uc758 \ubb38\uc7a5\uc744 \uc801\uc5b4\ubcf4\uba74 \ub2e4\uc74c\uacfc\uac19\uc740 \ud615\uc2dd\uc774 \ub429\ub2c8\ub2e4.<\/p>\n
\r\n#(1 3 5) inject: 5 into: [ :sum :element | Transcript show: sum; cr. sum + element ]\r\n<\/pre>\n
\uc774\uc57c.. \ube14\ub85d\uc2dd \uc548\ucabd\uc5d0 \ubc14\ub85c \ub123\uc5b4\ubc84\ub9ac\ub124\uc694… \uc0ac\uc2e4 \uc800\ub294 printf\ub97c \uc4f0\ub294\uac70\ub77c\uba74 \uc775\uc219\ud569\ub2c8\ub2e4\ub9cc..
\n\uc5b4\ub5bb\uac8c \ud574\uc57c\ud560\uc9c0 \uac10\uc744 \ubabb\uc7a1\uc558\ub294\ub370…
\n(\uc54c\ub824\uc8fc\uc2e0 \uc2b9\ubc94\ub2d8 \uac10\uc0ac\ud569\ub2c8\ub2e4)
\n\ube14\ub85d\uc2dd \uc548\ucabd\uc774 \uc5f0\uc0b0\uc2dd\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \ub2f9\uc5f0\ud788 \uc131\ub9bd\ud588\uc5b4\uc57c \ud558\ub294\uac74\ub370 \uc0dd\uac01\uc744 \uc81c\ub300\ub85c \ubabb\ud588\ub124\uc694.
\n\uc774\ub7f0\ubc29\ubc95\uc73c\ub85c \ube14\ub85d\uc2dd \uc548\ucabd\uc758 \ubcc0\uc218\uac12\uc744 step\ub9c8\ub2e4 trace\ud574\uc11c Transcript\uc5d0 \ucc0d\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n\ubb3c\ub860 sum \uc678\uc758 i \uac12\ub3c4 \ub2f9\uc5f0\ud788 trace\ub97c \ud560 \uc218 \uc788\uaca0\uc8e0.<\/p>\n
\uc774\ubbf8 \uc9d0\uc791\ud558\uc2e0\ubd84\uc774 \uc788\ub2e4\uc2dc\ud53c \uc774 \uacbd\uc6b0\ub294 element\ub77c\ub294 \ubcc0\uc218\uac00 Iterator\ub85c\uc11c\uc758 \uc5ed\ud560\uc744 \ud558\uac8c\ub418\ub294\uac70\ub77c\uace0
\n\uc0dd\uac01\ud574\uc8fc\uc2dc\uba74 \ub418\uaca0\uc2b5\ub2c8\ub2e4. \ud83d\ude00<\/p>\n","protected":false},"excerpt":{"rendered":"
inject:into:\ub97c \uc4f0\ub294\uacf3\uc740 \uc885\uc885\uc788\ub294\ub370 (\ubc30\uc5f4 \ub0b4\ubd80 element\uc758 \ud569\uc744 \uad6c\ud558\ub294\uacbd\uc6b0) \uadf8\uac8c \uc5b4\ub5a4\uc2dd\uc73c\ub85c \ub3d9\uc791\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc880 \uc790\uc138\ud788 \uc4f0\uc5ec\uc9c4 \ub0b4\uc6a9\uc774 \uc5c6\ub354\uad70\uc694. \uadf8\ub798\uc11c \ub300\uccb4 \uc5b4\ub5bb\uac8c \ub3cc\uc544\uac00\ub294\uc9c0 \uad81\uae08\ud574\uc9c0\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 gnu smalltalk\uc5d0\uc11c \uc81c\uacf5\ub418\ub294 \uc608\uc81c\ub97c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. (\ucd9c\ucc98 : http:\/\/en.wikipedia.org\/wiki\/GNU_Smalltalk) #(1 3 5) inject: 10 into: [ :sum :element | sum + element ] “=> 19” \uc624\ud638\ub77c… \uc774\ub807\uac8c \ud558\ub2c8\uae4c 19\uac00 \ub098\uc628\ub300\uc694..(\ubb3c\ub860 printIt\uc73c\ub85c \ubcf4\ub294\uac70\ub77c\ub294\uac74 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,10,9],"tags":[35,33],"_links":{"self":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/169"}],"collection":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169"}],"version-history":[{"count":2,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":171,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions\/171"}],"wp:attachment":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}