Trait syntax::ext::base::IdentMacroExpander [−][src]
pub trait IdentMacroExpander { fn expand<'cx>(
&self,
cx: &'cx mut ExtCtxt,
sp: Span,
ident: Ident,
token_tree: Vec<TokenTree>
) -> Box<MacResult + 'cx>; }
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Required Methods
ⓘImportant traits for Box<R>
fn expand<'cx>(
&self,
cx: &'cx mut ExtCtxt,
sp: Span,
ident: Ident,
token_tree: Vec<TokenTree>
) -> Box<MacResult + 'cx>
&self,
cx: &'cx mut ExtCtxt,
sp: Span,
ident: Ident,
token_tree: Vec<TokenTree>
) -> Box<MacResult + 'cx>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?