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The fmt.Stringer interface requires a single method, String() string to be satisfied. The string method defines the "native" string format for that value, and is the default representation if the value is provided to any of the fmt packages formatting or printing routines. package main ...

Package fmt implements formatted I/O using format verbs: %v // the value in a default format %T // a Go-syntax representation of the type of the value %s // the uninterpreted bytes of the string or slice Format Functions There are 4 main function types in fmt and several variations w...