[B! TIPS][Go] beth321ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

beth321 id:beth321

TIPSã¨Goã«é–¢ã™ã‚‹beth321ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (10)

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ã“ã®è¨˜äº‹ã¯ Gunosy Advent Calendar 2017ã®5æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚å‰å›žã®è¨˜äº‹ã¯Gunosyã®ãƒ‘ãƒ¼ã‚½ãƒŠãƒ©ã‚¤ã‚ºã‚’æ”¯ãˆã‚‹æŠ€è¡“ -ãƒ¯ãƒ¼ã‚¯ãƒ•ãƒãƒ¼ç·¨-ã§ã—ãŸã€‚ Goã§APIã‚’æ›¸ãã¨ãã®å•é¡Œåƒ•ã®åœ¨ç±ã™ã‚‹Gunosyã¯Goã‚’æ˜”ï¼ˆï¼Ÿï¼‰ã‹ã‚‰æœ¬ç•ªæŽ¡ç”¨ã—ã¦ãŠã‚Šã¾ã—ã¦ã€ãƒŽã‚¦ãƒã‚¦ã‚‚æ½¤æ²¢ã«æºœã¾ã£ã¦ã„ã‚‹ä¼æ¥ã ã¨è¨€ãˆã¾ã™ã€‚ ã—ã‹ã—ã€contextã®æ‰±ã„ã‚„ãƒ™ã‚¹ãƒˆãªãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆã€ãƒ†ã‚¹ãƒˆã€net/httpã§APIã‚’æ›¸ããƒŽã‚¦ãƒã‚¦ãªã©ãªã©ã€è¿·ã†ã“ã¨ã¯å¤šã€…ã‚ã‚Šã¾ã™ã€‚ ã“ã‚Œã¯å¼Šç¤¾ç‰¹æœ‰ã®äº‹æƒ…ã§ã¯ãªãã€Goã®ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢å…¨å“¡ã«ã¨ã£ã¦ã®å•é¡Œã§ã™ã€‚ä¸ã§ã‚‚ã€ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆã‚’ã©ã†ã™ã‚Œã°ã„ã„ã®ã‹ï¼ˆç›¸äº’å‚ç…§ã›ãšã«å¿«é©ã«é–‹ç™ºã‚’é€²ã‚ã‚‰ã‚Œã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆã¨ã¯ï¼‰ã‚’è¦‹ã¤ã‘ã‚‹ã®ã¯çµæ§‹é›£ã—ãã€å„ã€…ã®ãƒãƒ¼ãƒ ã«ãŠä»»ã›ã€ã¨ã„ã†çŠ¶æ³ã§ã™ã€‚ ä»Šå›žã¯ä¸Šè¨˜ã®å•é¡Œã®ã†ã¡ã€ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆã«è¸ã¿ã“ã‚“ã§è¦‹ãŸã„ã¨ãŠã‚‚ã„ã¾ã™ã€‚ä¼šç¤¾ã§ã‚‚ã‚ˆããƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆã‚’ã©ã†
beth321 2017/12/07
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Big Sky :: golang ã® channel ã‚’ä½¿ã£ãŸãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚ã‚Œã“ã‚Œ
golang ã® channel ã¯ä»–ã®è¨€èªžã«è¦‹ãªã„ç‹¬ç‰¹ã®ãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ã‚’é–‹ç™ºè€…ã«æä¾›ã—ã¾ã™ã€‚ å˜ç´”ã«ã‚¹ãƒ¬ãƒƒãƒ‰é–“ã§ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ã‚’ã™ã‚‹ã ã‘ã§ã‚‚Cè¨€èªžã§æ›¸ã‘ã°ãã“ãã“ã®é‡ã«ãªã£ãŸã‚Šã€æ…£ã‚Œã¦ã„ãªã„äººã§ã‚ã‚Œã°ã©ã†å®Ÿè£…ã™ã‚Œã°ã„ã„ã‹åˆ†ã‹ã‚‰ãªã„ãªã‚“ã¦äº‹ã‚‚ã‚ã£ãŸã¨æ€ã„ã¾ã™ã€‚ã—ã‹ã— golang ã® goroutine/channel ã¯ã€ã‚„ã£ã¦ã„ã‚‹å†…å®¹ã®å‰²ã«ã¨ã¦ã‚‚å®¹æ˜“ã«ã‚¹ãƒ¬ãƒƒãƒ‰é–“é€šä¿¡ã‚„ã‚ãƒ¥ãƒ¼ã‚¤ãƒ³ã‚°ã€å‡¦ç†ã®å—ã‘å¾…ã¡ç‰ã‚’å®Ÿè£…ã§ãã‚‹æ§˜ã«ãªã£ã¦ã„ã¾ã™ã€‚å°šã€channel ã‚’ã©ã®æ§˜ã«é©ç”¨ã—ãŸã‚‰è‰¯ã„ã‹ã«ã¤ã„ã¦ã¯ä»¥ä¸‹ã‚’å‚ç…§ä¸‹ã•ã„ã€‚ Big Sky :: Golang ã® channel ã®ä½¿ã„æ‰€ golang ã®ç‰¹å¾´ã¨è¨€ãˆã° goroutine ã¨ channel ã§ã™ãŒã€ãã®ä½¿ã„ã©ã“ã‚ã«æ‚©ã‚€äººã‚‚ãŠã‚‰ã‚Œã‚‹æ§˜ã§ã™ã€‚ goroutine ã¯éžåŒæœŸã«å®Ÿè¡Œã•ã‚Œã‚‹å‡¦ç†ã€channel ã¯ãã® grout... http://mat
beth321 2016/07/07
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Big Sky :: golang ã®ãƒªãƒ•ã‚¡ã‚¯ã‚¿ãƒªãƒ³ã‚°ã«ã¯ gofmt ã§ã¯ãªãã€gorename ã‚’ä½¿ãŠã†ã€‚
ä»Šã¾ã§ golang ã§å¤‰æ•°åã‚„é–¢æ•°åã®ãƒªãƒãƒ¼ãƒ ã«ã¯ gofmt ã® -r ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã£ã¦ãã¾ã—ãŸãŒã€ã“ã‚Œã‹ã‚‰ã¯ gorename ã‚’ä½¿ã„ã¾ã—ã‚‡ã†ã€‚ æ–‡æ³•ã‚’è§£æžã—ã¦æ£ã—ããƒªãƒãƒ¼ãƒ ã—ã¦ãã‚Œã‚‹ã®ã§ã€gofmt ã§èµ·ãå¾—ãŸèª¤çˆ†ã‚‚å¿ƒé…ã‚ã‚Šã¾ã›ã‚“ã€‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¯ä»¥ä¸‹ã®æ§˜ã«å®Ÿè¡Œã—ã¾ã™ã€‚ $ go get golang.org/x/tools/cmd/gorename ä½¿ç”¨æ–¹æ³•ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ gorename: precise type-safe renaming of identifiers in Go source code. Usage: gorename (-from <spec> | -offset <file>:#<byte-offset>) -to <name> [-force] You must specify the object (named entity) to rename
beth321 2015/01/14
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Goã‚µãƒ¼ãƒã®ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚° - Qiita
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beth321 2014/12/05
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Go by Example
Go is an open source programming language designed for building scala ble, secure and reliable software. Please read the official documentation to learn more. Go by Example is a hands-on introduction to Go using annotated example programs. Check out the first example or browse the full list below. Unless stated otherwise, examples here assume the latest major release Go and may use new language fea
beth321 2014/11/15
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Go Concurrency Patterns: Context - The Go Programming Language
Tips for writing clear, performant, and idiomatic Go code
beth321 2014/09/14
Google

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ã“ã‚Œã‹ã‚‰Goã‚’å§‹ã‚ã‚‹äººã®ãŸã‚ã®Tipsé›† | The Wacul Blog
ã“ã‚“ã«ã¡ã‚ã€‚æœ€è¿‘æ¥å‹™ã§Goã‚’æ›¸ã„ã¦ã„ã‚‹ã®ã§ã™ãŒã€3,4é€±é–“ãŸã¡ã€ã ã„ã¶ç’°å¢ƒã«ã‚‚æ…£ã‚Œã¦ããŸã®ã§ã€ã“ã‚Œã‹ã‚‰Goã‚’åˆã‚ã‚ˆã†ã¨æ€ã£ã¦ã„ã‚‹äººå‘ã‘ã«Tipsã‚’æ›¸ããŸã„ã¨æ€ã„ã¾ã™ã€‚ é–“é•ã„ã‚„æ”¹å–„ç‚¹ãªã©ã‚ã‚Œã°ã€ @tutuming ã¾ã§æ•™ãˆã¦ã„ãŸã ã‘ã‚‹ã¨å¤§å¤‰ã‚ã‚ŠãŒãŸã„ã§ã™ã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã¨è¨å®š (OSX) http://golang.org/dl/ ã‹ã‚‰ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ãƒ¼ (go1.3.1.darwin-amd64-osx10.8.pkg ãªã©) ã‚’é¸ã‚“ã§æœ€æ–°ç‰ˆã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸã‚‰å¤§ä¸ˆå¤«ã§ã™ã€‚è‡ªåˆ†ã®ç’°å¢ƒã«ã‚ã‚ã›ãŸã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©é¸ã‚“ã§ãã ã•ã„ã€‚ homebrewã‚’ä½¿ã£ã¦ã„ã‚‹äººã¯ ã§ã‚‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ãã¾ã™ã€‚ $GOPATH ã¨ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ä½œã‚Šæ–¹ Go ã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã«ã¯ã€ go get ã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã„ã¾ã™ã€‚ go get github.com/aaa/bbb ã¨ã™ã‚‹ã¨ã€ github.com/aaa/bbb
beth321 2014/08/23
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Goè¨€èªžã§å¹¸ã›ã«ãªã‚Œã‚‹10ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ - Qiita
ã¯ã˜ã‚ã« Goè¿‘è¾ºã‚’å¾˜å¾Šã—ã¦ã„ã¦è¦‹ã¤ã‘ãŸãƒ–ãƒã‚°ãƒã‚¹ãƒˆã€‚ Ten Useful Techniques in Go Goãªæ–¹ã€…ã«ã¯å¸¸è˜ãªã®ã‹ã‚‚çŸ¥ã‚Œãªã„ã‘ã©ã€Goåˆå¿ƒè€…ã®ç§ã«ã¨ã£ã¦ã¯é¢ç™½ã‹ã£ãŸã®ã§ã¡ã‚‡ã£ã¨ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ ç´¹ä»‹ã•ã‚Œã¦ã„ã‚‹ã®ã¯ä»¥ä¸‹ã®10å€‹ã®é …ç›®ã€‚ Use a single GOPATH Wrap for-select idiom to a function Use tagged literals for struct initializations Split struct initializations into multiple lines Add String() method for integers const values Start iota with a +1 increment Return function calls Convert slices,maps,et
beth321 2014/07/21
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Ten Useful Techniques in Go - Fatih Arslan
Here are my own best practices that I've gathered from my personal experiences with dealing lots of Go code for the past years. I believe they all scale well. With scaling I mean: Your applications requirements are changing in an agile environment. You don't want to refactor every piece of it after 3-4 months just because you need to. New features should be added easily. Your application is devel
beth321 2014/07/18
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Big Sky :: Golang ã®ã‚ªãƒ•ã‚£ã‚·ãƒ£ãƒ«ãŒæä¾›ã™ã‚‹ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã¾ã¨ã‚
golang ãŒæä¾›ã™ã‚‹ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã®ä¸ã§ä»£è¡¨çš„ãªç‰©ã®ä½¿ã„æ–¹ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ io.Reader typeÂ ReaderÂ interfaceÂ { Read(p []byte) (nÂ int, errÂ error) } ã”å˜ã˜ io.Readerã€‚ã“ã®ã‚·ã‚°ãƒãƒãƒ£ã® Read ã‚’å®Ÿè£…ã—ã¦ãŠã‘ã° golang ã®ã‚ã‚Šã¨ã‚ã‚‰ã‚†ã‚‹å…¥åŠ›æ©Ÿèƒ½ã«å¯¾ã—ã¦è‡ªåˆ†ã®ã‚³ãƒ¼ãƒ‰ã‚’æä¾›ã™ã‚‹äº‹ãŒå‡ºæ¥ã‚‹ã€‚ ä¾‹ãˆã°æ°¸é ã«ã€ŒãŠã£ã±ã„ã€ã¨è¨€ã„ç¶šã‘ã‚‹ Reader ã ã¨ä»¥ä¸‹ã®æ§˜ãªå®Ÿè£…ã«ãªã‚‹ã€‚ packageÂ main importÂ ( "io" "os" ) varÂ text = []rune("ãŠã£ã±ã„") typeÂ OppaiReaderÂ structÂ { nÂ int } funcÂ (r *OppaiReader) Read(p []byte) (int,Â error) { in :=Â len(p) nw :=Â 0 forÂ i
beth321 2014/05/02
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