summary refs log tree commit diff
path: root/src/test/compile-fail/deriving-primitive.rs
blob: 6e9b120aa69b5a6b27a173b69a5ec41cc7535969 (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
33
34
// Copyright 2013 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.

use std::num::FromPrimitive;
use std::isize;

#[derive(FromPrimitive)]
struct A { x: isize }
//~^^ ERROR `FromPrimitive` cannot be derived for structs
//~^^^ ERROR `FromPrimitive` cannot be derived for structs

#[derive(FromPrimitive)]
struct B(isize);
//~^^ ERROR `FromPrimitive` cannot be derived for structs
//~^^^ ERROR `FromPrimitive` cannot be derived for structs

#[derive(FromPrimitive)]
enum C { Foo(isize), Bar(usize) }
//~^^ ERROR `FromPrimitive` cannot be derived for enum variants with arguments
//~^^^ ERROR `FromPrimitive` cannot be derived for enum variants with arguments

#[derive(FromPrimitive)]
enum D { Baz { x: isize } }
//~^^ ERROR `FromPrimitive` cannot be derived for enums with struct variants
//~^^^ ERROR `FromPrimitive` cannot be derived for enums with struct variants

pub fn main() {}