Enum rustc_ast::ast::NestedMetaItem[][src]

pub enum NestedMetaItem {
    MetaItem(MetaItem),
    Literal(Lit),
}
Expand description

Possible values inside of compile-time attribute lists.

E.g., the ‘..’ in #[name(..)].

Variants

MetaItem(MetaItem)

Tuple Fields

A full MetaItem, for recursive meta items.

Literal(Lit)

Tuple Fields

0: Lit

A literal.

E.g., "foo", 64, true.

Implementations

Returns the MetaItem if self is a NestedMetaItem::MetaItem.

Returns the Lit if self is a NestedMetaItem::Literals.

Returns true if this list item is a MetaItem with a name of name.

For a single-segment meta item, returns its name; otherwise, returns None.

Gets the string value if self is a MetaItem and the MetaItem is a MetaItemKind::NameValue variant containing a string, otherwise None.

Returns a name and single literal value tuple of the MetaItem.

Gets a list of inner meta items from a list MetaItem type.

Returns true if the variant is MetaItem.

Returns true if self is a MetaItem and the meta item is a word.

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

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

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

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.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 112 bytes

Size for each variant: