1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
// force-host
// no-prefer-dynamic
#![crate_type = "proc-macro"]
#![crate_name="some_macros"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_attribute]
pub fn first(_attr: TokenStream, item: TokenStream) -> TokenStream {
item // This doesn't erase the spans.
}
#[proc_macro_attribute]
pub fn second(_attr: TokenStream, item: TokenStream) -> TokenStream {
// Make a new `TokenStream` to erase the spans:
let mut out: TokenStream = TokenStream::new();
out.extend(item);
out
}
|
