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Get slices of keys and values from a map
source link: https://yourbasic.org/golang/slice-of-keys-values-from-map/
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Get slices of keys and values from a map · YourBasic Go
Get slices of keys and values from a map
yourbasic.org/golang
You can use a range statement to extract slices of keys and values from a map.
keys := make([]keyType, 0, len(myMap))
values := make([]valueType, 0, len(myMap))
for k, v := range myMap {
keys = append(keys, k)
values = append(values, v)
}
Further reading
Related
3 ways to find a key in a map
To check if a map contains a key, use the second return value. It's a boolean that indicates if the key exists.
yourbasic.org
Sort a map by key or value
To sort a map (which is an unordered collection) you must maintain a separate data structure, typically a slice of keys or values.
yourbasic.org
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