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use core::fmt::Display;
use std::path::{self, Path, PathBuf};
#[doc(hidden)]
pub trait AsDisplay<'a>: Sealed {
// TODO: convert to generic associated type.
type Target: Display;
fn as_display(&'a self) -> Self::Target;
}
impl<'a, T> AsDisplay<'a> for &T
where
T: Display + 'a,
{
type Target = &'a T;
fn as_display(&'a self) -> Self::Target {
*self
}
}
impl<'a> AsDisplay<'a> for Path {
type Target = path::Display<'a>;
#[inline]
fn as_display(&'a self) -> Self::Target {
self.display()
}
}
impl<'a> AsDisplay<'a> for PathBuf {
type Target = path::Display<'a>;
#[inline]
fn as_display(&'a self) -> Self::Target {
self.display()
}
}
#[doc(hidden)]
pub trait Sealed {}
impl<T: Display> Sealed for &T {}
impl Sealed for Path {}
impl Sealed for PathBuf {}