docx-rs 0.4.20

A .docx file writer with Rust/WebAssembly.
Documentation 
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use crate::documents::BuildXML;
use crate::xml_builder::*;
use std::io::Write;

use serde::*;

#[derive(Debug, Clone, Deserialize, PartialEq)]
pub struct Stretch {
    value: i32,
}

impl Stretch {
    pub fn new(s: i32) -> Stretch {
        Self { value: s }
    }
}

impl BuildXML for Stretch {
    fn build_to<W: Write>(
        &self,
        stream: crate::xml::writer::EventWriter<W>,
    ) -> crate::xml::writer::Result<crate::xml::writer::EventWriter<W>> {
        XMLBuilder::from(stream).w(self.value)?.into_inner()
    }
}

impl Serialize for Stretch {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_i32(self.value)
    }
}

#[cfg(test)]
mod tests {

    use super::*;
    #[cfg(test)]
    use pretty_assertions::assert_eq;
    use std::str;

    #[test]
    fn test_stretch() {
        let b = Stretch::new(200).build();
        assert_eq!(str::from_utf8(&b).unwrap(), r#"<w:w w:val="200" />"#);
    }

    #[test]
    fn test_stretch_json() {
        let s = Stretch { value: 100 };
        assert_eq!(serde_json::to_string(&s).unwrap(), r#"100"#);
    }
}