vstd::std_specs::ops

Trait ExNeg

Source 
pub trait ExNeg {
    type ExternalTraitSpecificationFor: Neg;
    type Output;

    // Required methods
    spec fn obeys_neg_spec() -> bool;
    spec fn neg_req(self) -> bool
       where Self: Sized;
    spec fn neg_spec(self) -> Self::Output
       where Self: Sized;
    exec fn neg(self) -> ret : Self::Output;
}

Required Associated Types§

Source

type ExternalTraitSpecificationFor: Neg

Source

type Output

Required Methods§

Source

spec fn obeys_neg_spec() -> bool

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spec fn neg_req(self) -> bool
where Self: Sized,

Source

spec fn neg_spec(self) -> Self::Output
where Self: Sized,

Source

exec fn neg(self) -> ret : Self::Output

requires
self.neg_req(),
ensures
Self::obeys_neg_spec() ==> ret == self.neg_spec(),

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.

Implementors§