{"id":13451,"date":"2022-10-04T02:47:33","date_gmt":"2022-10-03T21:17:33","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-receive-from-non-chan-type-bool\/"},"modified":"2022-10-04T02:47:33","modified_gmt":"2022-10-03T21:17:33","slug":"solved-receive-from-non-chan-type-bool","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-receive-from-non-chan-type-bool\/","title":{"rendered":"[Solved] Receive from non-chan type *bool"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

\n
\n
<\/div>\n
\n
\n

Those two lines in your main function shadow your global variable declaration:<\/p>\n

optQuit := getopt.BoolLong(\"quit\", 0, \"Help\")\noptRun  := getopt.BoolLong(\"run\", 'r', \"Help\")\n<\/code><\/pre>\n
If you only use them, to get a nice usage, why not create a usage function
\nyourself?<\/p>\n
If you insist on using getopt<\/code> just to create a usage, do<\/p>\n
_ = getopt.BoolLong(\"quit\", 0, \"Help\")\n_ = getopt.BoolLong(\"run\", 'r', \"Help\")\n<\/code><\/pre>\n
instead.<\/p>\n
You also need to call getopt.Parse()<\/code> before using *optHelp<\/code>.<\/p>\n
The resulting message<\/p>\n
Usage: test [-hr] [--quit] [parameters ...]\n -h, --help  Help\n     --quit  Help\n -r, --run   Help\n<\/code><\/pre>\n
seems to be less than helpful. Why not just do<\/p>\n
fmt.Printf(`\nUsage: test\n  This program will start a daemon service, which you can use like this ...\n`)\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            1<\/span> <\/p><\/div>\n<\/div>\n
[ad_2]<\/p>\n
solved Receive from non-chan type *bool <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] Those two lines in your main function shadow your global variable declaration: optQuit := getopt.BoolLong(“quit”, 0, “Help”) optRun := getopt.BoolLong(“run”, ‘r’, “Help”) If you only use them, to get a nice usage, why not create a usage function yourself? If you insist on using getopt just to create a usage, do _ = getopt.BoolLong(“quit”, … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[1342,3603,596,712,458],"class_list":["post-13451","post","type-post","status-publish","format-standard","hentry","category-solved","tag-channel","tag-daemon","tag-go","tag-pointers","tag-struct"],"yoast_head":"\n[Solved] Receive from non-chan type *bool - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-receive-from-non-chan-type-bool\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Receive from non-chan type *bool - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Those two lines in your main function shadow your global variable declaration: optQuit := getopt.BoolLong("quit", 0, "Help") optRun := getopt.BoolLong("run", 'r', "Help") If you only use them, to get a nice usage, why not create a usage function yourself? If you insist on using getopt just to create a usage, do _ = getopt.BoolLong("quit", ... 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If you insist on using getopt just to create a usage, do _ = getopt.BoolLong(\"quit\", ... 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