notmuch 0.8.0

Rust interface and bindings for notmuch
Documentation 
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use libc;
use std::borrow::Cow;
use std::{ffi, str};

pub trait ToStr {
    fn to_str<'a>(&self) -> Result<&'a str, str::Utf8Error>;

    fn to_str_unchecked<'a>(&self) -> &'a str;

    fn to_string_lossy<'a>(&self) -> Cow<'a, str>;
}

impl ToStr for *const libc::c_char {
    fn to_str<'a>(&self) -> Result<&'a str, str::Utf8Error> {
        str::from_utf8(
            unsafe {
                assert!(!self.is_null());
                ffi::CStr::from_ptr(*self)
            }
            .to_bytes(),
        )
    }

    fn to_str_unchecked<'a>(&self) -> &'a str {
        unsafe {
            assert!(!self.is_null());
            str::from_utf8_unchecked(ffi::CStr::from_ptr(*self).to_bytes())
        }
    }

    fn to_string_lossy<'a>(&self) -> Cow<'a, str> {
        unsafe {
            assert!(!self.is_null());
            ffi::CStr::from_ptr(*self)
        }
        .to_string_lossy()
    }
}

pub trait ToString {
    fn to_string(&self) -> String;
}

impl ToString for *const libc::c_char {
    fn to_string(&self) -> String {
        unsafe {
            assert!(!self.is_null());
            ffi::CStr::from_ptr(*self).to_string_lossy().into_owned()
        }
    }
}