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#[cfg(all(windows, feature = "wincon"))]
use crate::RawStream;
/// Explicitly lock a [`std::io::Write`]able
pub trait Lockable {
type Locked;
/// Get exclusive access to the `AutoStream`
///
/// Why?
/// - Faster performance when writing in a loop
/// - Avoid other threads interleaving output with the current thread
fn lock(self) -> Self::Locked;
}
impl Lockable for std::io::Stdout {
type Locked = std::io::StdoutLock<'static>;
#[inline]
fn lock(self) -> Self::Locked {
#[allow(clippy::needless_borrow)] // Its needed to avoid recursion
(&self).lock()
}
}
impl Lockable for std::io::Stderr {
type Locked = std::io::StderrLock<'static>;
#[inline]
fn lock(self) -> Self::Locked {
#[allow(clippy::needless_borrow)] // Its needed to avoid recursion
(&self).lock()
}
}
#[cfg(all(windows, feature = "wincon"))]
impl<S> Lockable for anstyle_wincon::Console<S>
where
S: RawStream + Lockable,
<S as Lockable>::Locked: RawStream,
{
type Locked = anstyle_wincon::Console<<S as Lockable>::Locked>;
#[inline]
fn lock(self) -> Self::Locked {
self.map(|s| s.lock())
}
}
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