Struct argonaut::OptArg
[−]
[src]
pub struct OptArg<'a> {
// some fields omitted
}The builder for an optional argument.
Methods
impl<'a> OptArg<'a>[src]
fn single(self) -> Arg<'a>
The argument takes a single parameter.
fn one_or_more(self) -> Arg<'a>
The argument takes one or more parameters.
fn zero_or_more(self) -> Arg<'a>
The argument takes zero or more parameters.
fn interrupt(self) -> Arg<'a>
The argument is an interrupt (the parse is interrupted when it is encountered).
fn switch(self) -> Arg<'a>
The argument is a switch (boolean flag).