What is a map in Golang and how does it work? Are Go maps thread-safe? Are maps pointers? How do you check if a map is empty? Can maps be nil? Go teacher and expert John Arundel answers these and other questions about Go maps.
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Map types in Golang
What map types exist in Go? What data types can we use as map keys? What about map values? Are different kinds of maps considered distinct types? And what’s the difference between nil and empty maps? Find out in this handy, bite-size tutorial on map types in Golang.