vstd::contrib::exec_spec

Trait ExecSpecIndex

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pub trait ExecSpecIndex<'a>: Sized + DeepView<V = Seq<<Self::Elem as DeepView>::V>> {
    type Elem: DeepView;

    // Required method
    exec fn exec_index(self, index: usize) -> Self::Elem;
}
Expand description

Spec for executable version of Seq indexing.

Required Associated Types§

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type Elem: DeepView

Required Methods§

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exec fn exec_index(self, index: usize) -> Self::Elem

requires
0 <= index < self.deep_view().len(),

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§

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impl<'a> ExecSpecIndex<'a> for &'a str

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exec fn exec_index(self, index: usize) -> res : Self::Elem

ensures
res == self.deep_view()[index as int],
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type Elem = char

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impl<'a, T: DeepView> ExecSpecIndex<'a> for &'a [T]

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exec fn exec_index(self, index: usize) -> res : Self::Elem

ensures
res.deep_view() == self.deep_view()[index as int],
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type Elem = &'a T

Implementors§