Struct Attr

pub struct Attr<'c, T> { /* private fields */ }

An attribute identified by a symbol

Implementations

impl<'c, T> Attr<'c, T>

pub fn none(cx: &'c Ctxt, name: Symbol) -> Self

Create an attribute without ay value

pub fn set<A: ToTokens>(&mut self, obj: A, value: T)

Set the value of the attribute

pub fn set_opt<A: ToTokens>(&mut self, obj: A, value: Option<T>)

Set an optional value of the attribute

pub fn set_if_none(&mut self, value: T)

Set oly if the attribute don’t have a value

pub fn get(self) -> Option<T>

Get the current value of the attribute

pub fn get_with_tokens(self) -> Option<(TokenStream, T)>

Get the value along with the associatd tokens