Struct Fixed 

pub struct Fixed<const N: usize>;

Parses/serializes exactly N bytes as Seq<u8>.

Trait Implementations

impl<'i, const N: usize> ByteLen<&'i [u8]> for Fixed<N>

exec fn length(&self, v: &&'i [u8]) -> len : usize

fn exec_inv(&self) -> bool

impl<const N: usize> ByteLen<[u8]> for Fixed<N>

exec fn length(&self, v: &[u8]) -> len : usize

fn exec_inv(&self) -> bool

impl<const N: usize> Clone for Fixed<N>

fn clone(&self) -> Fixed<N>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<const N: usize> Consistency for Fixed<N>

open spec fn consistent(&self, v: Self::Val) -> bool

{ v.len() == N }

type Val = Seq<u8>

The type of values whose consistency is being checked.

impl<const N: usize> EquivSerializers for Fixed<N>

proof fn lemma_serialize_equiv_on_empty(&self, v: Self::SVal)

fn equiv_inv(&self) -> bool

impl<const N: usize> EquivSerializersGeneral for Fixed<N>

proof fn lemma_serialize_equiv(&self, v: Self::SVal, obuf: Seq<u8>)

fn equiv_general_inv(&self) -> bool

impl<const N: usize> GoodSerializer for Fixed<N>

proof fn lemma_serialize_len(&self, v: Self::SVal)

fn serialize_inv(&self) -> bool

impl<const N: usize> LeafNonMalleable for Fixed<N>

proof fn nonmal_leaf_inv(&self)

impl<const N: usize> MinMaxByteLen for Fixed<N>

open spec fn min(&self) -> nat

{ N as nat }

open spec fn max(&self) -> nat

{ N as nat }

proof fn lemma_min_max_byte_len(&self, v: Self::T)

impl<const N: usize> NoLookAhead for Fixed<N>

proof fn lemma_no_lookahead(&self, i1: Seq<u8>, i2: Seq<u8>)

fn no_lookahead_inv(&self) -> bool

fn corollary_non_extensible(&self, i1: Seq<u8>, i2: Seq<u8>)

impl<const N: usize> NonMalleable for Fixed<N>

proof fn lemma_parse_non_malleable(&self, buf1: Seq<u8>, buf2: Seq<u8>)

fn nonmal_inv(&self) -> bool

impl<const N: usize> NonTailFmt for Fixed<N>

proof fn lemma_serialize_dps_prepend(&self, v: Seq<u8>, obuf: Seq<u8>)

proof fn lemma_serialize_dps_len(&self, v: Seq<u8>, obuf: Seq<u8>)

fn serialize_dps_inv(&self) -> bool

impl<const N: usize, I: InputBuf> Parser<I> for Fixed<N>

exec fn parse(&self, ibuf: &I) -> PResult<Self::PT>

type PT = I

Executable value returned by this parser.

fn exec_inv(&self) -> bool

impl<'i, const N: usize> Prepare<&'i [u8]> for Fixed<N>

exec fn prepare(&self, v: &&'i [u8]) -> checked : Result<usize, PreSerializeError>

fn exec_inv(&self) -> bool

impl<const N: usize> Prepare<[u8]> for Fixed<N>

exec fn prepare(&self, v: &[u8]) -> checked : Result<usize, PreSerializeError>

fn exec_inv(&self) -> bool

impl<const N: usize> Productive for Fixed<N>

open spec fn productive_inv(&self) -> bool

{ N > 0 }

proof fn lemma_productive(&self, s: Seq<u8>)

impl<const N: usize> SPRoundTripDps for Fixed<N>

proof fn theorem_serialize_dps_parse_roundtrip(&self, v: Self::T, obuf: Seq<u8>)

fn unambiguous(&self) -> bool

impl<const N: usize> SafeParser for Fixed<N>

proof fn lemma_parse_safe(&self, ibuf: Seq<u8>)

fn safe_inv(&self) -> bool

impl<'i, Output: OutputBuf, const N: usize> Serializer<Output, &'i [u8]> for Fixed<N>

exec fn serialize_into(&self, v: &&'i [u8], obuf: &mut Output)

fn exec_inv(&self) -> bool

impl<Output: OutputBuf, const N: usize> Serializer<Output, [u8]> for Fixed<N>

exec fn serialize_into(&self, v: &[u8], obuf: &mut Output)

fn exec_inv(&self) -> bool

impl<Output: OutputBuf, const N: usize> Serializer<Output, [u8; N]> for Fixed<N>

exec fn serialize_into(&self, v: &[u8; N], obuf: &mut Output)

fn exec_inv(&self) -> bool

impl<const N: usize> SoundParser for Fixed<N>

proof fn lemma_parse_sound_consumption(&self, ibuf: Seq<u8>)

proof fn lemma_parse_sound_value(&self, ibuf: Seq<u8>)

fn sound_inv(&self) -> bool

impl<const N: usize> SpecByteLen for Fixed<N>

open spec fn byte_len(&self, v: Self::T) -> nat

{ v.len() }

type T = Seq<u8>

The type of values whose byte length is being computed.

impl<const N: usize> SpecParser for Fixed<N>

open spec fn spec_parse(&self, ibuf: Seq<u8>) -> Option<(int, Self::PVal)>

{ if ibuf.len() < N as int { None } else { Some((N as int, ibuf.take(N as int))) } }

type PVal = Seq<u8>

The type of parsed values.

impl<const N: usize> SpecSerializer for Fixed<N>

open spec fn spec_serialize(&self, v: Self::SVal) -> Seq<u8>

{ v }

type SVal = Seq<u8>

The type of values to be serialized.

impl<const N: usize> SpecSerializerDps for Fixed<N>

open spec fn spec_serialize_dps(&self, v: Self::SValue, obuf: Seq<u8>) -> Seq<u8>

{ v + obuf }

type SValue = Seq<u8>

The type of values to be serialized.

impl<const N: usize> StaticByteLen for Fixed<N>

open spec fn static_byte_len() -> nat

{ N as nat }

proof fn lemma_static_len_matches_byte_len(&self, v: Self::T)

impl<const N: usize> ValueByteLen for Fixed<N>

open spec fn value_byte_len(_v: Self::T) -> nat

{ N as nat }

proof fn lemma_value_len_matches_byte_len(&self, v: Self::T)

impl<const N: usize> Copy for Fixed<N>