ExecSpecSeqIndexOfLast

vstd::contrib::exec_spec

Trait ExecSpecSeqIndexOfLast 

Source 
pub trait ExecSpecSeqIndexOfLast<'a>: Sized + DeepView {
    type Elem: DeepView;

    // Required method
    exec fn exec_index_of_last(self, needle: Self::Elem) -> Option<usize>;
}
Expand description

Spec for executable version of Seq::index_of_last.

Required Associated Types§

Source

type Elem: DeepView

Required Methods§

Source

exec fn exec_index_of_last(self, needle: Self::Elem) -> Option<usize>

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

Source§

impl<'a, T: DeepView + PartialEq> ExecSpecSeqIndexOfLast<'a> for &'a [T]
where &'a T: ExecSpecEq<'a, Other = &'a T>,

Source§

exec fn exec_index_of_last(self, needle: Self::Elem) -> res : Option<usize>

ensures
match res {
    Some(i) => {
        self.deep_view().index_of_last(needle.deep_view()).is_some()
            && i as int == self.deep_view().index_of_last(needle.deep_view())->0
    }
    None => self.deep_view().index_of_last(needle.deep_view()) == None::<int>,
},
Source§

type Elem = T

Implementors§