rust/src/test/compile-fail/non-const.rs

39 lines
645 B
Rust

// Test that various non const things are rejected.
fn foo<T: Const>(_x: T) { }
struct r {
x:int,
drop {}
}
fn r(x:int) -> r {
r {
x: x
}
}
struct r2 {
x:@mut int,
drop {}
}
fn r2(x:@mut int) -> r2 {
r2 {
x: x
}
}
fn main() {
foo({f: 3});
foo({mut f: 3}); //~ ERROR missing `const`
foo(~[1]);
foo(~[mut 1]); //~ ERROR missing `const`
foo(~1);
foo(~mut 1); //~ ERROR missing `const`
foo(@1);
foo(@mut 1); //~ ERROR missing `const`
foo(r(1)); // this is okay now.
foo(r2(@mut 1)); //~ ERROR missing `const`
foo({f: {mut f: 1}}); //~ ERROR missing `const`
}