Go language exercises: Map basic usage

This is a creation in Article, where the information may have evolved or changed.

1. Code

2. Operation

1. Code

Files: map.go

1 Package Main2Import"FMT"3 4Type Persioninfostruct{5Idstring6Namestring7Addressstring8 }9 Ten Func Main () { One     varPersiondb map[string] Persioninfo APersiondb = Make (map[string] persioninfo) -  -persiondb["12345"] = persioninfo{"12345","Tom","203, ..."} thepersiondb["1"] = persioninfo{"1","Jack","101, ..."} -  -Persion, OK: = persiondb["1234"] -     ifOK { +Fmt. Println ("Found persion", Persion. Name,"With ID 1234.") -}Else { +Fmt. Println ("Did not find persion with ID 1234.") A     }    at  -Persion, OK = persiondb["12345"] -     ifOK { -Fmt. Println ("Found persion", Persion. Name,"With ID 12345.") -}Else { -Fmt. Println ("Did not find persion with ID 12345.") in     } -}

2. Operation

123412345.