New upstream version 1.70.0+dfsg1

[rustc.git] / tests / ui-fulldeps / issue-11881.rs

diff --git a/tests/ui-fulldeps/issue-11881.rs b/tests/ui-fulldeps/issue-11881.rs
deleted file mode 100644 (file)
index f6360db..0000000
--- a/tests/ui-fulldeps/issue-11881.rs
+++ /dev/null
@@ -1,91 +0,0 @@
-// run-pass
-
-#![allow(unused_must_use)]
-#![allow(dead_code)]
-#![allow(unused_imports)]
-
-use std::fmt;
-use std::io::prelude::*;
-use std::io::Cursor;
-use std::slice;
-use std::marker::PhantomData;
-
-trait Encoder {
-    type Error;
-}
-
-trait Encodable<S: Encoder> {
-    fn encode(&self, s: &mut S) -> Result<(), S::Error>;
-}
-
-struct JsonEncoder<'a>(PhantomData<&'a mut ()>);
-
-impl Encoder for JsonEncoder<'_> {
-    type Error = ();
-}
-
-struct AsJson<'a, T> {
-    inner: &'a T,
-}
-
-impl<'a, T: for<'r> Encodable<JsonEncoder<'r>>> fmt::Display for AsJson<'a, T> {
-    /// Encodes a json value into a string
-    fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        Ok(())
-    }
-}
-
-fn as_json<T>(t: &T) -> AsJson<'_, T> {
-    AsJson { inner: t }
-}
-
-struct OpaqueEncoder(Vec<u8>);
-
-impl Encoder for OpaqueEncoder {
-    type Error = ();
-}
-
-
-struct Foo {
-    baz: bool,
-}
-
-impl<S: Encoder> Encodable<S> for Foo {
-    fn encode(&self, _s: &mut S) -> Result<(), S::Error> {
-        Ok(())
-    }
-}
-
-struct Bar {
-    froboz: usize,
-}
-
-impl<S: Encoder> Encodable<S> for Bar {
-    fn encode(&self, _s: &mut S) -> Result<(), S::Error> {
-        Ok(())
-    }
-}
-
-enum WireProtocol {
-    JSON,
-    Opaque,
-    // ...
-}
-
-fn encode_json<T: for<'a> Encodable<JsonEncoder<'a>>>(val: &T, wr: &mut Cursor<Vec<u8>>) {
-    write!(wr, "{}", as_json(val));
-}
-
-fn encode_opaque<T: Encodable<OpaqueEncoder>>(val: &T, wr: Vec<u8>) {
-    let mut encoder = OpaqueEncoder(wr);
-    val.encode(&mut encoder);
-}
-
-pub fn main() {
-    let target = Foo { baz: false };
-    let proto = WireProtocol::JSON;
-    match proto {
-        WireProtocol::JSON => encode_json(&target, &mut Cursor::new(Vec::new())),
-        WireProtocol::Opaque => encode_opaque(&target, Vec::new()),
-    }
-}