52 lines
876 B
Rust
52 lines
876 B
Rust
// Test sized-ness checking in substitution within fn bodies..
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use std::marker;
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// Unbounded.
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fn f1<X: ?Sized>(x: &X) {
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f2::<X>(x);
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//~^ ERROR the size for values of type
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}
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fn f2<X>(x: &X) {
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}
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// Bounded.
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trait T {
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fn foo(&self) { }
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}
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fn f3<X: ?Sized + T>(x: &X) {
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f4::<X>(x);
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//~^ ERROR the size for values of type
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}
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fn f4<X: T>(x: &X) {
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}
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fn f5<Y>(x: &Y) {}
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fn f6<X: ?Sized>(x: &X) {}
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// Test with unsized struct.
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struct S<X: ?Sized> {
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x: X,
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}
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fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
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f5(x1);
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//~^ ERROR the size for values of type
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f6(x2); // ok
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}
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// Test some tuples.
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fn f9<X: ?Sized>(x1: Box<S<X>>) {
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f5(&(*x1, 34));
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//~^ ERROR the size for values of type
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}
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fn f10<X: ?Sized>(x1: Box<S<X>>) {
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f5(&(32, *x1));
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//~^ ERROR the size for values of type
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//~| ERROR the size for values of type
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}
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pub fn main() {
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}
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