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Pretty-print attributes on tuple structs and add tests
This adds support to the pretty printer to print attributes added to tuple struct elements. Furthermore, it adds a test that makes sure we will print attributes on all variant data types.
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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// pp-exact | ||
// Testing that both the inner item and next outer item are | ||
// preserved, and that the first outer item parsed in main is not | ||
// accidentally carried over to each inner function | ||
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#![feature(custom_attribute)] | ||
#![feature(custom_derive)] | ||
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#[derive(Serialize, Deserialize)] | ||
struct X; | ||
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#[derive(Serialize, Deserialize)] | ||
struct WithRef<'a, T: 'a> { | ||
#[serde(skip_deserializing)] | ||
t: Option<&'a T>, | ||
#[serde(serialize_with = "ser_x", deserialize_with = "de_x")] | ||
x: X, | ||
} | ||
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#[derive(Serialize, Deserialize)] | ||
enum EnumWith<T> { | ||
Unit, | ||
Newtype( | ||
#[serde(serialize_with = "ser_x", deserialize_with = "de_x")] | ||
X), | ||
Tuple(T, | ||
#[serde(serialize_with = "ser_x", deserialize_with = "de_x")] | ||
X), | ||
Struct { | ||
t: T, | ||
#[serde(serialize_with = "ser_x", deserialize_with = "de_x")] | ||
x: X, | ||
}, | ||
} | ||
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#[derive(Serialize, Deserialize)] | ||
struct Tuple<T>(T, | ||
#[serde(serialize_with = "ser_x", deserialize_with = "de_x")] | ||
X); | ||
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fn main() { } |