vest_lib 0.2.2

Verified parser and serializer combinators in Verus
Documentation 
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//! Name-carrying wrapper for runtime error reporting.
//!
//! [`Named`] preserves the child's format semantics and attaches a static name
//! while parse or preparation errors propagate outward.
/// Executable trait implementations for this combinator.
pub mod exec;
/// Correctness proofs for this combinator.
pub mod proof;
/// Specification trait implementations for this combinator.
pub mod spec;

use crate::core::proof::LeafNonMalleable;
use vstd::prelude::*;

verus! {

/// Transparent wrapper around `Inner` that annotates runtime parse errors with a static format
/// name.
///
/// The semantic format is unchanged: parsing, consistency, serialization, and all proof
/// obligations are delegated to `Inner`.
#[derive(Copy)]
pub struct Named<Inner>(pub &'static str, pub Inner);

impl<Inner: Clone> Clone for Named<Inner> {
    fn clone(&self) -> (cloned: Self)
        ensures
            call_ensures(Inner::clone, (&self.1,), cloned.1),
    {
        Named(self.0, self.1.clone())
    }
}

impl<Inner: LeafNonMalleable> LeafNonMalleable for Named<Inner> {
    proof fn nonmal_leaf_inv(&self) {
        self.1.nonmal_leaf_inv();
    }
}

} // verus!