NewFormatter returns a custom formatter that satisfies the fmt.Formatter interface. As a result, it integrates cleanly with standard fmt package printing functions. The formatter is useful for inline printing of smaller data types similar to the standard %v format specifier.

The custom formatter only responds to the %v (most compact), %+v (adds pointer addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb combinations. Any other verbs such as %x and %q will be sent to the the standard fmt package for formatting. In addition, the custom formatter ignores the width and precision arguments (however they will still work on the format specifiers not handled by the custom formatter).

Typically this function shouldn't be called directly. It is much easier to make use of the custom formatter by calling one of the convenience functions such as Printf, Println, or Fprintf.

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