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use std::{
env::temp_dir,
path::{Path, PathBuf},
};
/// A global resource that provides the system temporary directory path.
///
/// This struct wraps a `PathBuf` representing the platform's temporary directory
/// (e.g., `/tmp` on Unix, `%TEMP%` on Windows).
///
/// Note that `std::env::temp_dir()` is infallible — it always returns a path,
/// falling back to a platform-specific default (e.g., `/tmp` on Unix) if the
/// environment variable is not set.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ResTempDir {
tmp: PathBuf,
}
impl ResTempDir {
/// Creates a new `ResTempDir` by querying the OS for the system temporary directory.
///
/// This method is infallible since `std::env::temp_dir()` always succeeds,
/// returning a platform-specific default when environment variables are unset.
pub fn new() -> Self {
Self { tmp: temp_dir() }
}
}
impl Default for ResTempDir {
fn default() -> Self {
Self::new()
}
}
impl From<PathBuf> for ResTempDir {
fn from(path: PathBuf) -> Self {
Self { tmp: path }
}
}
impl From<&Path> for ResTempDir {
fn from(path: &Path) -> Self {
Self { tmp: path.to_path_buf() }
}
}
impl From<&PathBuf> for ResTempDir {
fn from(path: &PathBuf) -> Self {
Self { tmp: path.clone() }
}
}
impl From<ResTempDir> for PathBuf {
fn from(res: ResTempDir) -> Self {
res.tmp
}
}
impl AsRef<Path> for ResTempDir {
fn as_ref(&self) -> &Path {
self.tmp.as_path()
}
}
impl std::ops::Deref for ResTempDir {
type Target = PathBuf;
fn deref(&self) -> &Self::Target {
&self.tmp
}
}
impl std::ops::DerefMut for ResTempDir {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.tmp
}
}
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