Struct Options

pub struct Options<'a> {
    pub opts: &'a [Opt<'a>],
}

定义期待的所有选项

Fields

opts: &'a [Opt<'a>]

Implementations

impl<'b> Options<'b>

pub fn get(&self, index: usize) -> Option<&Opt<'b>>

impl<'b> Options<'b>

pub fn opt_iter<'a, Args>(&'b self, args: &'b Args) -> OptIter<'a, 'b, Args>

where Args: Arguments<'a> + ?Sized, 'a: 'b,

遍历所有的选项值

pub fn noopt_iter<'a, Args>(&'b self, args: &'b Args) -> NooptIter<'a, 'b, Args>

where Args: Arguments<'a> + ?Sized, 'a: 'b,

遍历所有的非选项值

Trait Implementations

impl<'a> Index<usize> for Options<'a>

type Output = Opt<'a>

The returned type after indexing.

fn index(&self, index: usize) -> &Self::Output

Performs the indexing (container[index]) operation.