Golang append to map code example

Example 1: initialize map in golang

// By default maps in Go behaves like a default dictionary in python
m := make(map[string]int)

m["Dio"] = 3
m["Jonathan"] = 1

Example 2: go remove from map

m := map[string]string{"key1": "val1", "key2": "val2"}
delete(m, "key1")

Example 3: go add to map

m := make(map[string]int)
m["numberOne"] = 1
m["numberTwo"] = 2

Example 4: appending map into map golang

for _, note := range notes {
        thisNote := map[string]string{
            "Title":note.Title,
            "Body":note.Body,
        }

        content["notes"] = append(content["notes"], thisNote)
}

Example 5: go get from map

var id string
var ok bool
if x, found := res["strID"]; found {
     if id, ok = x.(string); !ok {
        //do whatever you want to handle errors - this means this wasn't a string
     }
} else {
   //handle error - the map didn't contain this key
}

Example 6: appending map into map golang

{ "notes": 
    {
    "Title":note.Title,
    "Body":note.Body,
    },
    {
    "Title":note.Title,
    "Body":note.Body,
    },
    {
    "Title":note.Title,
    "Body":note.Body,
    },
}