Struct Multi

pub struct Multi<T>(pub T, pub bool);

A multi argument option.

The first argument is a collection, the second a flag whether this argument has been seen before.

Tuple Fields

0: T

1: bool

Trait Implementations

impl<'a, T> CommandLineArgument for Multi<&'a mut Vec<T>>

where T: FromStr + DefaultName + Debug, <T as FromStr>::Err: StdError + 'static,

fn parse_value(&mut self, arg: &str) -> Result<(), ArgError>

Add the value from the command line string.

fn is_multi(&self) -> bool

Return true if the argument can parsed multiple times.

fn default_value(&self) -> Option<String>

Return the initial value as a string.

fn write_name(&self, name: Option<&str>) -> Option<String>

Return a description of a argument of this type.

fn set_default(&mut self) -> Result<(), ArgError>

Called if the option has been specified without argument.

fn set_unseen(&mut self)

Called if the argument has never been seen.