Some common utilities to make your development more productive.
go get github.com/gaols/goutilsif you come from Java, you should familiar with the those apis. It's the go implementation of apache commons for string manipulation.
import "github.com/gaols/goutils"
goutils.Reverse("fox") // out: xof
goutils.LeftPad("fox", 5, 'z') // out: zzfox
goutils.RightPad("fox", 5, 'z') // out: foxzz
goutils.IsBlank(" ") // out: true
goutils.IsBlank("a") // out: false
goutils.IsEmpty("") // out: true
goutils.IsEmpty(" ") // out: false
goutils.DefaultIfBlank(" ", "hello") // out: hello
goutils.DefaultIfBlank("c", "hello") // out: c
goutils.DefaultIfEmpty("", "hello") // out: hello
goutils.DefaultIfEmpty("c", "hello") // out: c
goutils.Substring("hello", 0, 1) // out: h
goutils.IsAnyBlank("hello", "") // out: true
goutils.IsAnyBlank("hello") // out: falsedate utils has a lot of date related sugar methods.
goutils.Today()
goutils.Yesterday()
goutils.BeginningOfThisWeek()
goutils.BeginningOfThisMonth()
goutils.BeginningOfThisYear()
goutils.LastWeek()
goutils.LastMonth()
goutils.LastYear()
// ... and many others// assumes time now is: 2017-12-27 21:15:15
goutils.FmtTime(time.Now(), "-datetime") // out: 2017-12-27 21:15:15
goutils.FmtTime(time.Now(), "-datetime-") // out: 2017-12-27 21:15
goutils.FmtTime(time.Now(), "-datetime--") // out: 2017-12-27 21
goutils.FmtTime(time.Now(), "-date") // out: 2017-12-27
goutils.FmtTime(time.Now(), "time") // out: 21:15:15
goutils.FmtTime(time.Now(), "time-") // out: 21:15
goutils.FmtTime(time.Now(), "time--") // out: 21
goutils.FmtTime(time.Now(), "/datetime") // out: 2017/12/27 21:15:15
goutils.FmtTime(time.Now(), "/datetime-") // out: 2017/12/27 21:15
goutils.FmtTime(time.Now(), "/datetime--") // out: 2017/12/27 21
goutils.FmtTime(time.Now(), "/date") // out: 2017/12/27
goutils.FmtTime(time.Now(), ".datetime") // out: 2017.12.27 21:15:15
goutils.FmtTime(time.Now(), ".datetime-") // out: 2017.12.27 21:15
goutils.FmtTime(time.Now(), ".datetime--") // out: 2017.12.27 21
goutils.FmtTime(time.Now(), ".date") // out: 2017.12.27
goutils.FmtTime(time.Now(), "xzzz") // error
goutils.MustFmtTime(time.Now(), "xzzz") // panic
goutils.MustParseTime("2017-12-27", "-date") // time object@2017-12-27goutils.GreenText("%s is very cool", "something")
goutils.RedText("this text will be red")if more colorized text is required, use github.com/fatih/color instead.
goutils.Confirm will block the program and force user to make a choice before doing any other things.
goutils.Confirm("are you sure(y/n)?", []string {"y"}, []string {"n"}, func() {
// do something when user input 'n'
})
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