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// Test `?Sized` local variables.
trait T {}
fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) {
let _: W; // <-- this is OK, no bindings created, no initializer.
let _: (isize, (X, isize));
//~^ ERROR the size for values of type
let y: Y;
//~^ ERROR the size for values of type
let y: (isize, (Z, usize));
//~^ ERROR the size for values of type
}
fn f2<X: ?Sized, Y: ?Sized>(x: &X) {
let y: X;
//~^ ERROR the size for values of type
let y: (isize, (Y, isize));
//~^ ERROR the size for values of type
}
fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) {
let y: X = *x1;
//~^ ERROR the size for values of type
let y = *x2;
//~^ ERROR the size for values of type
let (y, z) = (*x3, 4);
//~^ ERROR the size for values of type
}
fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) {
let y: X = *x1;
//~^ ERROR the size for values of type
let y = *x2;
//~^ ERROR the size for values of type
let (y, z) = (*x3, 4);
//~^ ERROR the size for values of type
}
fn g1<X: ?Sized>(x: X) {}
//~^ ERROR the size for values of type
fn g2<X: ?Sized + T>(x: X) {}
//~^ ERROR the size for values of type
pub fn main() {
}
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