src/test/ui/parser/require-parens-for-chained-comparison.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

fn f<T>() {}
struct X;

fn main() {
    false == false == false;
    //~^ ERROR: chained comparison operators require parentheses

    false == 0 < 2;
    //~^ ERROR: chained comparison operators require parentheses
    //~| ERROR: mismatched types
    //~| ERROR: mismatched types

    f<X>();
    //~^ ERROR: chained comparison operators require parentheses
    //~| ERROR: binary operation `<` cannot be applied to type `fn() {f::<_>}`
    //~| HELP: use `::<...>` instead of `<...>`
    //~| HELP: or use `(...)`
}