// 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 or the MIT license // , 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 enums with non-unit variants //~^^^ ERROR `FromPrimitive` cannot be derived for enums with non-unit variants #[derive(FromPrimitive)] enum D { Baz { x: isize } } //~^^ ERROR `FromPrimitive` cannot be derived for enums with non-unit variants //~^^^ ERROR `FromPrimitive` cannot be derived for enums with non-unit variants pub fn main() {}