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NIF binding of html5ever using Rustler

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html5ever native html5ever_nif src common.rs
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native/html5ever_nif/src/common.rs 

use rustler::{Encoder, Env, Term};



use html5ever::QualName;

use tendril::StrTendril;



// Zero-cost wrapper types which makes it possible to implement

// Encoder for these externally defined types.

// Unsure if this is a great way of doing it, but it's the way

// that produced the cleanest and least noisy code.

pub struct QualNameWrapper<'a>(pub &'a QualName);

pub struct StrTendrilWrapper<'a>(pub &'a StrTendril);



impl<'b> Encoder for QualNameWrapper<'b> {

    fn encode<'a>(&self, env: Env<'a>) -> Term<'a> {

        let data: &str = &self.0.local;

        data.encode(env)

    }

}

impl<'b> Encoder for StrTendrilWrapper<'b> {

    fn encode<'a>(&self, env: Env<'a>) -> Term<'a> {

        let data: &str = self.0;

        data.encode(env)

    }

}