docx-rs 0.4.20

A .docx file writer with Rust/WebAssembly.
Documentation 
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use serde::{Serialize, Serializer};
use std::io::Write;

use crate::documents::BuildXML;
use crate::xml_builder::*;

#[derive(Debug, Clone, PartialEq)]
pub struct GridSpan {
    val: usize,
}

impl GridSpan {
    pub fn new(v: usize) -> GridSpan {
        GridSpan { val: v }
    }
}

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

impl Serialize for GridSpan {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_u32(self.val as u32)
    }
}

#[cfg(test)]
mod tests {

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

    #[test]
    fn test_grid_span() {
        let b = GridSpan::new(3).build();
        assert_eq!(str::from_utf8(&b).unwrap(), r#"<w:gridSpan w:val="3" />"#);
    }
}