Enum Item

pub(super) enum Item<'a> {
    Literal(&'a [u8]),
    Component(Component),
    Optional {
        value: Box<[Self]>,
        span: Span,
    },
    First {
        value: Box<[Box<[Self]>]>,
        span: Span,
    },
}

A description of how to format and parse one part of a type.

Variants

Literal(&'a [u8])

A literal string.

Component(Component)

Part of a type, along with its modifiers.

Optional

A sequence of optional items.

Fields

value: Box<[Self]>

The items themselves.

span: Span

The span of the full sequence.

First

The first matching parse of a sequence of format descriptions.

Fields

value: Box<[Box<[Self]>]>

The sequence of format descriptions.

span: Span

The span of the full sequence.

Implementations

impl Item<'_>

pub(super) fn from_ast(ast_item: Item<'_>) -> Result<Item<'_>, Error>

Parse an AST item into a format item.

Trait Implementations

impl From<Item<'_>> for OwnedFormatItem

fn from(item: Item<'_>) -> Self

Converts to this type from the input type.

impl<'a> TryFrom<Item<'a>> for BorrowedFormatItem<'a>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(item: Item<'a>) -> Result<Self, Self::Error>

Performs the conversion.