Enum Meta 

pub enum Meta {
    CfgAttrMeta(CfgAttrMeta),
    CfgMeta(CfgMeta),
    KeyValueMeta(KeyValueMeta),
    PathMeta(PathMeta),
    TokenTreeMeta(TokenTreeMeta),
    UnsafeMeta(UnsafeMeta),
}

Variants

CfgAttrMeta(CfgAttrMeta)

CfgMeta(CfgMeta)

KeyValueMeta(KeyValueMeta)

PathMeta(PathMeta)

TokenTreeMeta(TokenTreeMeta)

UnsafeMeta(UnsafeMeta)

Implementations

impl Meta

pub fn as_simple_atom(&self) -> Option<SmolStr>

pub fn as_simple_call(&self) -> Option<(SmolStr, TokenTree)>

pub fn as_simple_path(&self) -> Option<Path>

pub fn simple_name(&self) -> Option<SmolStr>

pub fn path(&self) -> Option<Path>

pub fn skip_cfg_attrs(self) -> SmallVec<[Meta; 1]>

Includes cfg_attr() inner metas (without considering the predicate).

pub fn parent_attr(&self) -> Option<Attr>

FIXME: Calling this is almost always incorrect, as cfg_attr can contains multiple Metas.

Trait Implementations

impl AstNode for Meta

fn can_cast(kind: SyntaxKind) -> bool

fn cast(syntax: SyntaxNode<RustLanguage>) -> Option<Meta>

fn syntax(&self) -> &SyntaxNode<RustLanguage>

fn kind() -> SyntaxKind

where Self: Sized,

This panics if the SyntaxKind is not statically known.

fn clone_for_update(&self) -> Self

where Self: Sized,

fn clone_subtree(&self) -> Self

where Self: Sized,

impl Clone for Meta

fn clone(&self) -> Meta

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Meta

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

Formats the value using the given formatter.

impl Display for Meta

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

Formats the value using the given formatter.

impl Eq for Meta

impl From<CfgAttrMeta> for Meta

fn from(node: CfgAttrMeta) -> Meta

Converts to this type from the input type.

impl From<CfgMeta> for Meta

fn from(node: CfgMeta) -> Meta

Converts to this type from the input type.

impl From<KeyValueMeta> for Meta

fn from(node: KeyValueMeta) -> Meta

Converts to this type from the input type.

impl From<PathMeta> for Meta

fn from(node: PathMeta) -> Meta

Converts to this type from the input type.

impl From<TokenTreeMeta> for Meta

fn from(node: TokenTreeMeta) -> Meta

Converts to this type from the input type.

impl From<UnsafeMeta> for Meta

fn from(node: UnsafeMeta) -> Meta

Converts to this type from the input type.

impl Hash for Meta

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

where __H: Hasher,

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 PartialEq for Meta

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Meta