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100 %
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84.62 %
Branches
use std::borrow::Cow;
use std::ffi::OsStr;
use std::path::Path;
/// This has been adapted from cross-rs file.rs source
/// https://github.com/cross-rs/cross/blob/4090beca3cfffa44371a5bba524de3a578aa46c3/src/file.rs#L12
pub trait ToUtf8 {
fn to_utf8(&self) -> anyhow::Result<&str>;
}
pub trait DisplayPath {
fn display_lossy(&self) -> Cow<'_, str>;
/// Implement `ToUtf8` for `OsStr`
impl ToUtf8 for OsStr {
/// Convert `OsStr` to `&str`
/// This function will return an error if the conversion fails
fn to_utf8(&self) -> anyhow::Result<&str> {
self
.to_str()
.ok_or_else(|| anyhow::anyhow!("Unable to convert `{self:?}` to UTF-8 string"))
impl DisplayPath for OsStr {
fn display_lossy(&self) -> Cow<'_, str> {
self.to_string_lossy()
/// Implement `ToUtf8` for `Path`
impl ToUtf8 for Path {
/// Convert `Path` to `&str`
self.as_os_str().to_utf8()
impl DisplayPath for Path {
self.as_os_str().display_lossy()
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_os_str_to_utf8() -> anyhow::Result<()> {
let os_str = OsStr::new("hello");
assert_eq!(os_str.to_utf8()?, "hello");
Ok(())
fn test_path_to_utf8() -> anyhow::Result<()> {
let path = Path::new("hello");
assert_eq!(path.to_utf8()?, "hello");
fn test_path_display_lossy() {
assert_eq!(path.display_lossy(), "hello");