did_doc 0.2.2

Library for loading/saving DID documents.
Documentation 
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use serde_derive::{Deserialize, Serialize};
use std::cmp::Eq;
use std::hash::{Hash, Hasher};
use std::str::FromStr;
use void::Void;

#[derive(Serialize, Deserialize, Default, Debug)]
#[serde(transparent)]
pub struct Subject(String);

impl Subject {
    pub fn new(s: &str) -> Self {
        Subject(s.to_owned())
    }

    pub fn as_str(&self) -> &str {
        &self.0
    }

    pub fn is_empty(&self) -> bool {
        self.0.is_empty()
    }
}

impl Eq for Subject {}

impl PartialEq<&str> for Subject {
    fn eq(&self, rhs: &&str) -> bool {
        self.0 == *rhs
    }
}

impl PartialEq<str> for Subject {
    fn eq(&self, rhs: &str) -> bool {
        self.0 == rhs
    }
}

impl PartialEq for Subject {
    fn eq(&self, rhs: &Subject) -> bool {
        self.0 == rhs.0
    }
}

impl Hash for Subject {
    fn hash<H>(&self, state: &mut H)
    where
        H: Hasher,
    {
        self.0.hash(state);
    }
}

impl FromStr for Subject {
    type Err = Void;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        Ok(Subject(s.to_owned()))
    }
}