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Most people do not understand the knowledge points of this article "how to use the delete () function of Go", so the editor summarizes the following, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to use the delete () function of Go".

Delete () function

The delete () function is used to delete the elements of the collection, with the argument map and its corresponding key. Examples are as follows:

Example

Package main

Import "fmt"

Func main () {

/ * create map * /

CountryCapitalMap: = map [string] string {"France": "Paris", "Italy": "Rome", "Japan": "Tokyo", "India": "New delhi"}

Fmt.Println ("original map")

/ * print a map * /

For country: = range countryCapitalMap {

Fmt.Println (country, "Capital is", countryCapitalMap [country])

}

/ * Delete element * / delete (countryCapitalMap, "France")

Fmt.Println ("French entry deleted")

Fmt.Println ("Map after deleting elements")

/ * print a map * /

For country: = range countryCapitalMap {

Fmt.Println (country, "Capital is", countryCapitalMap [country])

}

}

The running result of the above instance is as follows:

The original map India Capital is New delhiFrance Capital is ParisItaly Capital is RomeJapan Capital is Tokyo France entry is deleted after the element is deleted the map Italy Capital is RomeJapan Capital is TokyoIndia Capital is New delhi above is about "Go's delete () function how to use" the content of this article, I believe we all have a certain understanding, I hope the content shared by the editor will be helpful to you, if you want to know more about the relevant knowledge content, please pay attention to the industry information channel.

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