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// Operator precedence of type ascription
// Type ascription has very high precedence, the same as operator `as`
#![feature(type_ascription)]
use std::ops::*;
struct S;
struct Z;
impl Add<Z> for S {
type Output = S;
fn add(self, _rhs: Z) -> S { panic!() }
}
impl Mul<Z> for S {
type Output = S;
fn mul(self, _rhs: Z) -> S { panic!() }
}
impl Neg for S {
type Output = Z;
fn neg(self) -> Z { panic!() }
}
impl Deref for S {
type Target = Z;
fn deref(&self) -> &Z { panic!() }
}
fn main() {
&S: &S; // OK
(&S): &S; // OK
&(S: &S); //~ ERROR mismatched types
*S: Z; // OK
(*S): Z; // OK
*(S: Z); //~ ERROR mismatched types
//~^ ERROR type `Z` cannot be dereferenced
-S: Z; // OK
(-S): Z; // OK
-(S: Z); //~ ERROR mismatched types
//~^ ERROR cannot apply unary operator `-` to type `Z`
S + Z: Z; // OK
S + (Z: Z); // OK
(S + Z): Z; //~ ERROR mismatched types
S * Z: Z; // OK
S * (Z: Z); // OK
(S * Z): Z; //~ ERROR mismatched types
S .. S: S; // OK
S .. (S: S); // OK
(S .. S): S; //~ ERROR mismatched types
}
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