os_str_bytes 7.1.1

Lossless functionality for platform-native strings
Documentation 
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use std::borrow::Cow;
use std::convert::Infallible;
use std::ffi::OsStr;
use std::ffi::OsString;
use std::result;

use super::os::ffi::OsStrExt;
use super::os::ffi::OsStringExt;

pub(crate) type EncodingError = Infallible;

pub(crate) type Result<T> = result::Result<T, EncodingError>;

pub(crate) fn os_str_from_bytes(string: &[u8]) -> Result<Cow<'_, OsStr>> {
    Ok(Cow::Borrowed(OsStr::from_bytes(string)))
}

pub(crate) fn os_str_to_bytes(string: &OsStr) -> Cow<'_, [u8]> {
    Cow::Borrowed(string.as_bytes())
}

pub(crate) fn os_string_from_vec(string: Vec<u8>) -> Result<OsString> {
    Ok(OsString::from_vec(string))
}

pub(crate) fn os_string_into_vec(string: OsString) -> Vec<u8> {
    string.into_vec()
}