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// by-ref binding `ref (mut) self` and sub-patterns `@` are not allowed in receivers (rejected by rustc).
use std::pin::Pin;
struct S {}
impl S {
fn take_ref_self(ref self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
fn take_ref_mut_self(ref mut self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
fn self_subpat(self @ S {}: Self) {} //~ ERROR expected one of `)`, `,`, or `:`, found `@`
}
fn main() {}