blob: e995eb549fae97f9627202ac35344f2469ff3814 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// force-host
// no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
pub mod a { //~ `proc-macro` crate types cannot export any items
use proc_macro::TokenStream;
#[proc_macro_derive(B)]
pub fn bar(a: TokenStream) -> TokenStream {
//~^ ERROR: must currently reside in the root of the crate
a
}
}
#[proc_macro_derive(B)]
fn bar(a: proc_macro::TokenStream) -> proc_macro::TokenStream {
//~^ ERROR: functions tagged with `#[proc_macro_derive]` must be `pub`
a
}
|
