pub enum MultiPartKind {
    Mixed,
    Alternative,
    Related,
}
Expand description

The kind of multipart

Variants

Mixed

Mixed kind to combine unrelated content parts

For example this kind can be used to mix email message and attachments.

Alternative

Alternative kind to join several variants of same email contents.

That kind is recommended to use for joining plain (text) and rich (HTML) messages into single email message.

Related

Related kind to mix content and related resources.

For example, you can include images into HTML content using that.

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Converts to this type from the input type.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.