Struct mail_headers::header_components::FileMeta

pub struct FileMeta {
    pub file_name: Option<String>,
    pub creation_date: Option<DateTime<Utc>>,
    pub modification_date: Option<DateTime<Utc>>,
    pub read_date: Option<DateTime<Utc>>,
    pub size: Option<usize>,
}

A struct representing common file metadata.

This is used by e.g. attachments, when attaching a file (or embedding an image). Through it's usage is optional.

Stability Note

This is likely to move to an different place at some point, potentially in a different mail-* crate.

Fields

file_name: Option<String>

The file name.

Note that this utility is limited to utf-8 file names. This is normally used when downloading a attachment to choose the default file name.

creation_date: Option<DateTime<Utc>>

The creation date of the file (in utc).

modification_date: Option<DateTime<Utc>>

The last modification date of the file (in utc).

read_date: Option<DateTime<Utc>>

The date time the file was read, i.e. placed in the mail (in utc).

size: Option<usize>

The size the file should have.

Note that normally mail explicitly opts to NOT specify the size of a mime-multi part body (e.g. an attachments) and you can never rely on it to e.g. skip ahead. But it has some uses wrt. thinks like external headers.

Methods

impl FileMeta

pub fn replace_empty_fields_with(&mut self, other_meta: &Self)

Replaces all fields which are None with the value of the field in other_meta.

Trait Implementations

impl PartialEq<FileMeta> for FileMeta

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Default for FileMeta

fn default() -> FileMeta

Returns the "default value" for a type.

impl Clone for FileMeta

fn clone(&self) -> FileMeta

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Eq for FileMeta

impl Debug for FileMeta

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

Formats the value using the given formatter.

impl Hash for FileMeta

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, 

Feeds a slice of this type into the given [Hasher].

impl Serialize for FileMeta

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl<'de> Deserialize<'de> for FileMeta

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.