addPositionalSN method

Arg<String?> addPositionalSN(
  1. String name, {
  2. String? description,
  3. UsageGroup? usageGroup,
  4. bool? noOptionsFollowing,
})

Shorthand for addPositional for strings with a default value of null.

Implementation

Arg<String?> addPositionalSN(String name,
        {String? description,
        UsageGroup? usageGroup,
        bool? noOptionsFollowing}) =>
    addPositional(name,
        description: description,
        usageGroup: usageGroup,
        requires: Requires.optional(null),
        parser: idValueParser,
        noOptionsFollowing: noOptionsFollowing);