Some(ref item_substs) => {
let def_map = cx.tcx.def_map.borrow();
let did = def_map.get_copy(&id).def_id();
- let ty = ty::lookup_item_type(cx.tcx, did);
- for def in ty.generics.types.iter() {
+ let generics = ty::lookup_item_type(cx.tcx, did).generics;
+ for def in generics.types.iter() {
let ty = *item_substs.substs.types.get(def.space,
def.index);
check_typaram_bounds(cx, aty.span, ty, def);
});
}
-// Check that the programmer has not added the `Sized` bound to a trait type
-// which would fool the compiler into thinking that trait types are sized, when
-// they are really unsized.
-fn check_false_sized(cx: &Context, sp: Span, ty: ty::t) {
- match ty::get(ty).sty {
- ty::ty_trait(..) if ty::type_is_sized(cx.tcx, ty) => {
- span_err!(cx.tcx.sess, sp, E0159,
- "explicitly adding `Sized` bound to an unsized type `{}`",
- ty_to_string(cx.tcx, ty));
- }
- _ => {}
- }
-}
-
fn check_bounds_on_structs_or_enums_in_type_if_possible(cx: &mut Context,
span: Span,
ty: ty::t) {
.types
.iter()) {
check_typaram_bounds(cx, span, *ty, type_param_def);
- check_false_sized(cx, span, *ty);
}
// Check trait bounds.
cx.tcx)).as_slice());
})
}
- ty::ty_uniq(ty) => check_false_sized(cx, span, ty),
_ => {}
}
});
// option. This file may not be copied, modified, or distributed
// except according to those terms.
+// ignore-tidy-linelength
+
use std::cell::RefCell;
trait Trait {}
pub fn main() {
let x: Vec<Trait + Sized> = Vec::new();
- //~^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
- //~^^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
- let x: Vec<Box<Trait + Sized>> = Vec::new();
- //~^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
- //~^^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
+ //~^ ERROR instantiating a type parameter with an incompatible type `Trait+Sized`, which does not fulfill `Sized`
+ //~^^ ERROR instantiating a type parameter with an incompatible type `Trait+Sized`, which does not fulfill `Sized`
+ //~^^^ ERROR instantiating a type parameter with an incompatible type `Trait+Sized`, which does not fulfill `Sized`
let x: Vec<Box<RefCell<Trait + Sized>>> = Vec::new();
- //~^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
- //~^^ ERROR explicitly adding `Sized` bound to an unsized type `Trait+Sized`
+ //~^ ERROR instantiating a type parameter with an incompatible type `Trait+Sized`, which does not fulfill `Sized`
+ //~^^ ERROR instantiating a type parameter with an incompatible type `Trait+Sized`, which does not fulfill `Sized`
}