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//! Extra tests!
//!
//! ```compile_fail
//! use std::mem;
//! use hexchat_unsafe_plugin::PluginHandle;
//!
//! fn prepoop_your_pants_pluginhandle(ph: &mut PluginHandle<'_>) {
//! let temporary: String = "Hello, world!".to_string();
//! let hook = ph.hook_timer(0, |_| {
//! println!("{}", temporary);
//! true
//! });
//! }
//! ```
//!
//! ```compile_fail
//! use hexchat_unsafe_plugin::list::Contexts;
//! use hexchat_unsafe_plugin::PluginHandle;
//!
//! fn unsound(ph: &mut PluginHandle<'_>) {
//! ph.ensure_valid_context(|mut ph| {
//! let mut list = ph.list(&Contexts);
//! let context = list.next().unwrap();
//! write!(ph, "{}", context.name().unwrap());
//! std::mem::forget(list);
//! write!(ph, "{}", context.name().unwrap());
//! let ctx = context.context();
//! ph.set_context(&ctx);
//! write!(ph, "{}", context.name().unwrap());
//! })
//! }
//! ```
//!
//! ```compile_fail
//! use hexchat_unsafe_plugin::list::Contexts;
//! use hexchat_unsafe_plugin::PluginHandle;
//!
//! fn unsound(ph: &mut PluginHandle<'_>) {
//! ph.ensure_valid_context(|mut ph| {
//! let mut list = ph.list(&Contexts);
//! let context = list.next().unwrap();
//! std::mem::forget(list);
//! let ctx = context.context();
//! ph.set_context(&ctx);
//! })
//! }
//! ```
//!
//! ```no_run
//! use hexchat_unsafe_plugin::list::Contexts;
//! use hexchat_unsafe_plugin::PluginHandle;
//!
//! fn fine(ph: &mut PluginHandle<'_>) {
//! ph.ensure_valid_context(|mut ph| {
//! let mut list = ph.list(&Contexts);
//! let context = list.next().unwrap();
//! write!(ph, "{}", context.name().unwrap());
//! let ctx = context.context();
//! let name = context.name().unwrap();
//! drop(list);
//! ph.set_context(&ctx);
//! write!(ph, "{}", name);
//! })
//! }
//! ```
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