Struct MetaList 

pub struct MetaList {
    pub name: Option<Path>,
    pub paren: Option<Paren>,
    pub list: Punctuated<MetaValue, Comma>,
}

A meta list.

Use this as the “entrypoint” of your attribute proc macro.

Fields

name: Option<Path>

Can be None if this is the root list.

paren: Option<Paren>

Can be None if this is the root list.

list: Punctuated<MetaValue, Comma>

Implementations

impl MetaList

pub fn get<T>(&self, name: &str) -> Option<Result<T, Error>>

where T: FromMeta,

Gets a type by name.

This considers both list types (MetaList) and name-value pairs (MetaNameValue).

pub fn parse_root_attr(p: ParseStream<'_>) -> Result<MetaList, Error>

Trait Implementations

impl Clone for MetaList

fn clone(&self) -> MetaList

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for MetaList

fn default() -> MetaList

Returns the “default value” for a type.

impl From<MetaList> for MetaValue

fn from(l: MetaList) -> MetaValue

Converts to this type from the input type.