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Auto merge of rust-lang#37911 - liigo:rustdoc-playground, r=alexcrichton
rustdoc: get back missing crate-name when --playground-url is used follow up PR rust-lang#37763 r? @alexcrichton (since you r+ed to rust-lang#37763 ) ---- Edit: When `#![doc(html_playground_url="")]` is used, the current crate name is saved to `PLAYGROUND`, so rustdoc may generate `extern crate NAME;` into code snips automatically. But when `--playground-url` was introduced in PR rust-lang#37763, I forgot saving crate name to `PLAYGROUND`. This PR fix that. ---- Update: - add test - unstable `--playground-url`
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// Copyright 2016 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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// compile-flags: --playground-url=https://example.com/ -Z unstable-options | ||
// ignore-tidy-linelength | ||
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#![crate_name = "foo"] | ||
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//! ``` | ||
//! use foo::dummy; | ||
//! dummy(); | ||
//! ``` | ||
pub fn dummy() {} | ||
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// ensure that `extern crate foo;` was inserted into code snips automatically: | ||
// @matches foo/index.html '//a[@class="test-arrow"][@href="https://example.com/?code=extern%20crate%20foo%3B%0Afn%20main()%20%7B%0Ause%20foo%3A%3Adummy%3B%0Adummy()%3B%0A%7D"]' "Run" |