{"id":2294,"date":"2019-11-17T03:27:25","date_gmt":"2019-11-16T18:27:25","guid":{"rendered":"https:\/\/julialang.kr\/?p=2294"},"modified":"2019-11-17T03:28:44","modified_gmt":"2019-11-16T18:28:44","slug":"julia-%ec%84%a0%ec%96%b8%ed%95%9c-type-%ec%88%98%ec%a0%95%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/julialang.kr\/?p=2294","title":{"rendered":"[Julia] \uc120\uc5b8\ud55c type\uc744 \uc7ac\uc120\uc5b8 \ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"\n

jupyter notebook\uc774\ub098 REPL\uc5d0\uc11c \uc774\ubbf8 \uc120\uc5b8\ud55c \ud0c0\uc785\uc744 \ubcc0\uacbd\ud558\uac70\ub098 \uc0ad\uc81c\ud558\uae30\ub294 \uc5b4\ub835\ub2e4.
workspace()\ub4f1\uc740 julia 1.0 \uc774\uc804\uc5d0\ub294 \ub3d9\uc791 \ud588\uc73c\ub098 \uadf8 \uc774\ud6c4\uc5d0\ub294 \ub3d9\uc791 \ud558\uc9c0 \uc54a\ub294\ub2e4.
\uac1c\ubc1c\uc2dc \uc798 \ubabb\ub41c type\uc120\uc744 \uc218\uc815\ud558\uae30\uae30 \uc5b4\ub835\ub2e4. REPL\uc774\ub098 notebook\uc744 \ub2e4\uc2dc \uc2dc\uc791\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n

\ud574\uacb0\ucc45\uc740 module\uc744 \uc0ac\uc6a9\ud558\uba74 \ub41c\ub2e4. module \ub0b4\uc5d0 \uc120\uc5b8\ub41c type\uc740 \ub2e4\uc2dc \uc120\uc5b8 \ud558\uc5ec \uc0ac\uc6a9\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uacbd\uc774 \uc6a9\uc774 \ud558\ub2e4.<\/p>\n\n\n\n

\uc544\ub798\uc640 \uac19\uc774 XYZ\uc744 \uc120\uc5b8\ud558\uace0 \ubc14\ub85c \uc544\ub798\uc5d0 \uc218\uc815\ub41c XYZ\uc744 \uc120\uc5b8\ud558\uba74 “invalid redefinition of constant XYZ” \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud55c\ub2e4.
<\/p>\n\n\n\n

\n
mutable struct XYZ
   a::Int
 end
 mutable struct XYZ
   a::Int
   b::String
 end
invalid redefinition of constant XYZ <\/pre>\n<\/div><\/div>\n\n\n\n
\uc774\ub7f0 \uacbd\uc6b0 \ubaa8\ub4c8\uc744 \uc0ac\uc6a9 \ud558\uba74 \ub41c\ub2e4
\ubaa8\ub4c8\uba85\uc744 \uc55e\uc5d0 \ubd99\uc5ec \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \ubd88\ud3b8 \ud568\uc740 \uc788\ub2e4<\/p>\n\n\n\n
module M01 end\nusing Main.M01\n\nmodule M01\nf() = println(10)  \nmutable struct XYZ\n a::Int\nend\nend\nc = XYZ(10)\n\nmodule M01\nf() = println(11)\nmutable struct XYZ\n a::Int\n b::String\nend\nend\nc = M01.XYZ(20,\"dd\")<\/pre>\n","protected":false},"excerpt":{"rendered":"
jupyter notebook\uc774\ub098 REPL\uc5d0\uc11c \uc774\ubbf8 \uc120\uc5b8\ud55c \ud0c0\uc785\uc744 \ubcc0\uacbd\ud558\uac70\ub098 \uc0ad\uc81c\ud558\uae30\ub294 \uc5b4\ub835\ub2e4.workspace()\ub4f1\uc740 julia 1.0 \uc774\uc804\uc5d0\ub294 \ub3d9\uc791 \ud588\uc73c\ub098 \uadf8 \uc774\ud6c4\uc5d0\ub294 \ub3d9\uc791 \ud558\uc9c0 \uc54a\ub294\ub2e4.\uac1c\ubc1c\uc2dc \uc798 \ubabb\ub41c type\uc120\uc744 \uc218\uc815\ud558\uae30\uae30 \uc5b4\ub835\ub2e4. REPL\uc774\ub098 notebook\uc744 \ub2e4\uc2dc \uc2dc\uc791\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4. \ud574\uacb0\ucc45\uc740 module\uc744 \uc0ac\uc6a9\ud558\uba74 \ub41c\ub2e4. module \ub0b4\uc5d0 \uc120\uc5b8\ub41c type\uc740 \ub2e4\uc2dc \uc120\uc5b8 \ud558\uc5ec \uc0ac\uc6a9\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uacbd\uc774 \uc6a9\uc774 \ud558\ub2e4. \uc544\ub798\uc640 \uac19\uc774 XYZ\uc744 \uc120\uc5b8\ud558\uace0 \ubc14\ub85c \uc544\ub798\uc5d0 \uc218\uc815\ub41c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24],"tags":[],"_links":{"self":[{"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/posts\/2294"}],"collection":[{"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/julialang.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2294"}],"version-history":[{"count":7,"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/posts\/2294\/revisions"}],"predecessor-version":[{"id":2301,"href":"https:\/\/julialang.kr\/index.php?rest_route=\/wp\/v2\/posts\/2294\/revisions\/2301"}],"wp:attachment":[{"href":"https:\/\/julialang.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/julialang.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/julialang.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}