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fn main() {
match u8::MAX {
u8::MAX.abs() => (),
//~^ error: expected a pattern, found a method call
x.sqrt() @ .. => (),
//~^ error: expected a pattern, found a method call
//~| error: left-hand side of `@` must be a binding
z @ w @ v.u() => (),
//~^ error: expected a pattern, found a method call
y.ilog(3) => (),
//~^ error: expected a pattern, found a method call
n + 1 => (),
//~^ error: expected a pattern, found an expression
("".f() + 14 * 8) => (),
//~^ error: expected a pattern, found an expression
0 | ((1) | 2) | 3 => (),
f?() => (),
//~^ error: expected a pattern, found an expression
(_ + 1) => (),
//~^ error: expected one of `)`, `,`, or `|`, found `+`
}
let 1 + 1 = 2;
//~^ error: expected a pattern, found an expression
let b = matches!(x, (x * x | x.f()) | x[0]);
//~^ error: expected one of `)`, `,`, `@`, or `|`, found `*`
}
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