From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/type/type-ascription-precedence.rs | 54 ++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 src/test/ui/type/type-ascription-precedence.rs (limited to 'src/test/ui/type/type-ascription-precedence.rs') diff --git a/src/test/ui/type/type-ascription-precedence.rs b/src/test/ui/type/type-ascription-precedence.rs new file mode 100644 index 000000000..d3aef929b --- /dev/null +++ b/src/test/ui/type/type-ascription-precedence.rs @@ -0,0 +1,54 @@ +// 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 for S { + type Output = S; + fn add(self, _rhs: Z) -> S { panic!() } +} +impl Mul 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 +} -- cgit v1.2.3