Enum HeaderName 

#[non_exhaustive]
pub enum HeaderName<'x> {
    Subject,
    From,
    To,
    Cc,
    Date,
    Bcc,
    ReplyTo,
    Sender,
    Comments,
    InReplyTo,
    Keywords,
    Received,
    MessageId,
    References,
    ReturnPath,
    MimeVersion,
    ContentDescription,
    ContentId,
    ContentLanguage,
    ContentLocation,
    ContentTransferEncoding,
    ContentType,
    ContentDisposition,
    ResentTo,
    ResentFrom,
    ResentBcc,
    ResentCc,
    ResentSender,
    ResentDate,
    ResentMessageId,
    ListArchive,
    ListHelp,
    ListId,
    ListOwner,
    ListPost,
    ListSubscribe,
    ListUnsubscribe,
    ArcAuthenticationResults,
    ArcMessageSignature,
    ArcSeal,
    DkimSignature,
    Dkim2Signature,
    MessageInstance,
    AcceptLanguage,
    AlternateRecipient,
    ArchivedAt,
    AuthenticationResults,
    AutoSubmitted,
    Autoforwarded,
    Autosubmitted,
    ContentAlternative,
    ContentDuration,
    ContentFeatures,
    ContentMd5,
    ContentTranslationType,
    Conversion,
    ConversionWithLoss,
    DlExpansionHistory,
    DeferredDelivery,
    DeliveryDate,
    DiscardedX400IpmsExtensions,
    DiscardedX400MtsExtensions,
    DiscloseRecipients,
    DispositionNotificationOptions,
    DispositionNotificationTo,
    DowngradedFinalRecipient,
    DowngradedInReplyTo,
    DowngradedMessageId,
    DowngradedOriginalRecipient,
    DowngradedReferences,
    Encoding,
    Expires,
    GenerateDeliveryReport,
    HpOuter,
    Importance,
    IncompleteCopy,
    Language,
    LatestDeliveryTime,
    ListUnsubscribePost,
    MessageContext,
    MessageType,
    MmhsExemptedAddress,
    MmhsExtendedAuthorisationInfo,
    MmhsSubjectIndicatorCodes,
    MmhsHandlingInstructions,
    MmhsMessageInstructions,
    MmhsCodressMessageIndicator,
    MmhsOriginatorReference,
    MmhsPrimaryPrecedence,
    MmhsCopyPrecedence,
    MmhsMessageType,
    MmhsOtherRecipientsIndicatorTo,
    MmhsOtherRecipientsIndicatorCc,
    MmhsAcp127MessageIdentifier,
    MmhsOriginatorPlad,
    MtPriority,
    Organization,
    OriginalEncodedInformationTypes,
    OriginalFrom,
    OriginalMessageId,
    OriginalRecipient,
    OriginatorReturnAddress,
    OriginalSubject,
    PicsLabel,
    PreventNonDeliveryReport,
    Priority,
    ReceivedSpf,
    ReplyBy,
    RequireRecipientValidSince,
    Sensitivity,
    Solicitation,
    Supersedes,
    TlsReportDomain,
    TlsReportSubmitter,
    TlsRequired,
    VbrInfo,
    X400ContentIdentifier,
    X400ContentReturn,
    X400ContentType,
    X400MtsIdentifier,
    X400Originator,
    X400Received,
    X400Recipients,
    X400Trace,
    ApparentlyTo,
    Author,
    CfblAddress,
    CfblFeedbackId,
    DeliveredTo,
    EdiintFeatures,
    EesstVersion,
    ErrorsTo,
    Face,
    FormSub,
    JabberId,
    MmhsAuthorizingUsers,
    Privicon,
    SioLabel,
    SioLabelHistory,
    WrongRecipient,
    Other(Cow<'x, str>),
}

A header field

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Subject

From

To

Cc

Date

Bcc

ReplyTo

Sender

Comments

InReplyTo

Keywords

Received

MessageId

References

ReturnPath

MimeVersion

ContentDescription

ContentId

ContentLanguage

ContentLocation

ContentTransferEncoding

ContentType

ContentDisposition

ResentTo

ResentFrom

ResentBcc

ResentCc

ResentSender

ResentDate

ResentMessageId

ListArchive

ListHelp

ListId

ListOwner

ListPost

ListSubscribe

ListUnsubscribe

ArcAuthenticationResults

ArcMessageSignature

ArcSeal

DkimSignature

Dkim2Signature

MessageInstance

AcceptLanguage

AlternateRecipient

ArchivedAt

AuthenticationResults

AutoSubmitted

Autoforwarded

Autosubmitted

ContentAlternative

ContentDuration

ContentFeatures

ContentMd5

ContentTranslationType

Conversion

ConversionWithLoss

DlExpansionHistory

DeferredDelivery

DeliveryDate

DiscardedX400IpmsExtensions

DiscardedX400MtsExtensions

DiscloseRecipients

DispositionNotificationOptions

DispositionNotificationTo

DowngradedFinalRecipient

DowngradedInReplyTo

DowngradedMessageId

DowngradedOriginalRecipient

DowngradedReferences

Encoding

Expires

GenerateDeliveryReport

HpOuter

Importance

IncompleteCopy

Language

LatestDeliveryTime

ListUnsubscribePost

MessageContext

MessageType

MmhsExemptedAddress

MmhsExtendedAuthorisationInfo

MmhsSubjectIndicatorCodes

MmhsHandlingInstructions

MmhsMessageInstructions

MmhsCodressMessageIndicator

MmhsOriginatorReference

MmhsPrimaryPrecedence

MmhsCopyPrecedence

MmhsMessageType

MmhsOtherRecipientsIndicatorTo

MmhsOtherRecipientsIndicatorCc

MmhsAcp127MessageIdentifier

MmhsOriginatorPlad

MtPriority

Organization

OriginalEncodedInformationTypes

OriginalFrom

OriginalMessageId

OriginalRecipient

OriginatorReturnAddress

OriginalSubject

PicsLabel

PreventNonDeliveryReport

Priority

ReceivedSpf

ReplyBy

RequireRecipientValidSince

Sensitivity

Solicitation

Supersedes

TlsReportDomain

TlsReportSubmitter

TlsRequired

VbrInfo

X400ContentIdentifier

X400ContentReturn

X400ContentType

X400MtsIdentifier

X400Originator

X400Received

X400Recipients

X400Trace

ApparentlyTo

Author

CfblAddress

CfblFeedbackId

DeliveredTo

EdiintFeatures

EesstVersion

ErrorsTo

Face

FormSub

JabberId

MmhsAuthorizingUsers

Privicon

SioLabel

SioLabelHistory

WrongRecipient

Other(Cow<'x, str>)

Implementations

impl HeaderName<'_>

pub fn into_string(self) -> String

pub fn as_str(&self) -> &str

pub fn len(&self) -> usize

pub fn is_structured(&self) -> bool

Returns true if the default parser yields a structured value for this header.

pub fn is_mime_header(&self) -> bool

Returns true if it is a MIME header.

pub fn is_other(&self) -> bool

Returns true if it is an Other header name

pub fn is_empty(&self) -> bool

impl<'x> HeaderName<'x>

pub fn parse(data: impl Into<Cow<'x, str>>) -> Option<HeaderName<'x>>

Parse a header name

impl HeaderName<'_>

pub fn as_static_str(&self) -> &'static str

pub fn id(&self) -> u8

pub fn to_owned(&self) -> HeaderName<'static>

pub fn into_owned(self) -> HeaderName<'static>

Trait Implementations

impl<'x> Clone for HeaderName<'x>

fn clone(&self) -> HeaderName<'x>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'x> Debug for HeaderName<'x>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for HeaderName<'_>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for HeaderName<'_>

impl<'x> From<&'x str> for HeaderName<'x>

fn from(value: &'x str) -> Self

Converts to this type from the input type.

impl<'x> From<Cow<'x, str>> for HeaderName<'x>

fn from(value: Cow<'x, str>) -> Self

Converts to this type from the input type.

impl From<HeaderName<'_>> for String

fn from(header: HeaderName<'_>) -> Self

Converts to this type from the input type.

impl<'x> From<HeaderName<'x>> for u8

fn from(name: HeaderName<'x>) -> Self

Converts to this type from the input type.

impl<'x> From<HeaderName<'x>> for Cow<'x, str>

fn from(header: HeaderName<'x>) -> Self

Converts to this type from the input type.

impl From<String> for HeaderName<'_>

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<u8> for HeaderName<'_>

fn from(value: u8) -> Self

Converts to this type from the input type.

impl Hash for HeaderName<'_>

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'x> Ord for HeaderName<'x>

fn cmp(&self, other: &HeaderName<'x>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for HeaderName<'_>

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl<'x> PartialOrd for HeaderName<'x>

fn partial_cmp(&self, other: &HeaderName<'x>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.