Whether an argument is required or may be omitted.

Synopsis

Declared in <rpc/util.h>

enum class Optional : int;

Members

Name

Description

NO

Required arg

OMITTED

Optional argument for which the default value is omitted from help text for one of two reasons: ‐ It's a named argument and has a default value of null. ‐ Its default value is implicitly clear. That is, elements in an array may not exist by default. When possible, the default value should be specified.

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