{"id":2447,"date":"2016-10-01T13:29:25","date_gmt":"2016-10-01T13:29:25","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=2447"},"modified":"2016-10-01T13:29:25","modified_gmt":"2016-10-01T13:29:25","slug":"golang-%ed%95%a8%ec%88%98-%ec%8b%a4%ed%96%89-%ec%8b%9c%ea%b0%84-%ec%b8%a1%ec%a0%95","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=2447","title":{"rendered":"[Golang] \ud568\uc218 \uc2e4\ud589 \uc2dc\uac04 \uce21\uc815"},"content":{"rendered":"

golang\uc5d0\ub294 defer\ub77c\ub294 \uc608\uc57d\uc5b4\uac00 \uc788\uc2b5\ub2c8\ub2e4. defer\ub85c \uc9c0\uc815\ub41c \ud568\uc218 \ud638\ucd9c\uc740, defer\ub97c \ud638\ucd9c\ud55c \ud568\uc218\uc758 \uc885\ub8cc\uc2dc\uc5d0 \ud638\ucd9c\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \uc751\uc6a9\ud574\uc11c \ud568\uc218\uc758 \uc2e4\ud589 \uc2dc\uac04\uc744 \uce21\uc815\ud560 \uc218 \uc788\ub294 \ubc94\uc6a9\uc131 \uc788\ub294 \ud568\uc218\ub97c \ub2e4\uc74c \ucf54\ub4dc\ucc98\ub7fc \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\nfunc ElapsedTime(tag string, msg string) func() {\n    if msg != \"\" {\n        log.Printf(\"[%s] %s\", tag, msg)\n    }\n\n    start := time.Now()\n    return func() { log.Printf(\"[%s] Elipsed Time: %s\", tag, time.Since(start)) }\n}\n<\/pre>\n
ElapsedTime \ud568\uc218\ub294 defer \ubb38\uacfc \ud568\uaed8 \uc0ac\uc6a9\ub418\uc5b4\uc57c \uc758\ubbf8\uac00 \uc788\ub294\ub370\uc694. \uc774 \ud568\uc218\ub97c \ud638\ucd9c\ud558\uba74 \ud568\uc218\ub97c \ubc18\ud658\ud558\uac8c \ub418\ub294\ub370, \uc774 \ubc18\ud658\ub41c \ud568\uc218\uac00 \ubc14\ub85c defer \ubb38\uc744 \ud1b5\ud574 \ucd5c\uc885\uc801\uc73c\ub85c \ud638\ucd9c\ub420 \ud568\uc218\uc785\ub2c8\ub2e4. \uc774 \ud568\uc218\ub97c \ud14c\uc2a4\ud2b8\ud558\uae30 \uc704\ud574 \uc544\ub798\ucc98\ub7fc \ucf54\ub4dc\ub97c \uc791\uc131\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\npackage main\n\nimport (\n    \"log\"\n    \"time\"\n)\n\nfunc bigSlowOperation() int {\n    defer ElapsedTime(\"bigSlowOperation\", \"start\")()\n\n    time.Sleep(10 * time.Second) \/\/ 10\ucd08 \uc815\ub3c4 \uc18c\uc694\ub418\ub294 \uc5f0\uc0b0\uc5d0 \ud574\ub2f9\ud558\ub294 \ucf54\ub4dc\ub77c \uac00\uc815\n\n    return 0\n}\n\nfunc ElapsedTime(tag string, msg string) func() {\n    \/\/ \uc0dd\ub7b5\n}\n\nfunc main() {\n    bigSlowOperation()\n}\n<\/pre>\n
\ud06c\uace0 \ub290\ub9b0 \uc5f0\uc0b0\ub97c \ud638\ucd9c\ud558\ub294 \ud568\uc218\uc778 bigSlowOperation \ud568\uc218 \ub0b4\ubd80\ub97c \ubcf4\uba74 defer \ubb38\uc73c\ub85c ElapsedTime \ud568\uc218\ub97c \ud638\ucd9c\ud558\uc5ec \ubc18\ud658\ub41c \ud568\uc218\ub97c \ud638\ucd9c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 bigSlowOperation \ud638\ucd9c\uc774 \ub05d\ub098\uba74 bigSlowOperation\uc758 \uc2e4\ud589\uc5d0 \uc18c\uc694\ub41c \uc2dc\uac04\uc744 \ud45c\uc2dc\ud558\uac8c \ub418\ub294\ub370\uc694. \uadf8 \uacb0\uacfc\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\n2016\/10\/01 22:28:07 [bigSlowOperation] start\n2016\/10\/01 22:28:17 [bigSlowOperation] Elipsed Time: 10.0007115s\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
golang\uc5d0\ub294 defer\ub77c\ub294 \uc608\uc57d\uc5b4\uac00 \uc788\uc2b5\ub2c8\ub2e4. defer\ub85c \uc9c0\uc815\ub41c \ud568\uc218 \ud638\ucd9c\uc740, defer\ub97c \ud638\ucd9c\ud55c \ud568\uc218\uc758 \uc885\ub8cc\uc2dc\uc5d0 \ud638\ucd9c\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \uc751\uc6a9\ud574\uc11c \ud568\uc218\uc758 \uc2e4\ud589 \uc2dc\uac04\uc744 \uce21\uc815\ud560 \uc218 \uc788\ub294 \ubc94\uc6a9\uc131 \uc788\ub294 \ud568\uc218\ub97c \ub2e4\uc74c \ucf54\ub4dc\ucc98\ub7fc \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. func ElapsedTime(tag string, msg string) func() { if msg != “” { log.Printf(“[%s] %s”, tag, msg) } start := time.Now() return func() { log.Printf(“[%s] … <\/p>\n
\ub354 \ubcf4\uae30 “[Golang] \ud568\uc218 \uc2e4\ud589 \uc2dc\uac04 \uce21\uc815”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[111],"class_list":["post-2447","post","type-post","status-publish","format-standard","hentry","category-golang","tag-golang"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/2447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2447"}],"version-history":[{"count":0,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/2447\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2447"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}