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cargo 0.33.0

Cargo, a package manager for Rust.
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use std::path::Path;

use url::Url;

use util::CargoResult;

/// A type that can be converted to a Url
pub trait ToUrl {
    /// Performs the conversion
    fn to_url(self) -> CargoResult<Url>;
}

impl<'a> ToUrl for &'a str {
    fn to_url(self) -> CargoResult<Url> {
        Url::parse(self).map_err(|s| format_err!("invalid url `{}`: {}", self, s))
    }
}

impl<'a> ToUrl for &'a Path {
    fn to_url(self) -> CargoResult<Url> {
        Url::from_file_path(self).map_err(|()| format_err!("invalid path url `{}`", self.display()))
    }
}