codama_syn_helpers/extensions/
file.rs

1use syn::File;
2
3pub trait FileExtension {
4    fn get_self(&self) -> &File;
5
6    /// Returns the string value of the Fileession if it is a literal string.
7    fn empty() -> File {
8        syn::File {
9            shebang: None,
10            attrs: Vec::new(),
11            items: Vec::new(),
12        }
13    }
14}
15
16impl FileExtension for File {
17    fn get_self(&self) -> &File {
18        self
19    }
20}
21
22#[cfg(test)]
23mod tests {
24    use super::*;
25
26    #[test]
27    fn empty() {
28        let file = File::empty();
29        assert_eq!(file.shebang, None);
30        assert!(file.attrs.is_empty());
31        assert!(file.items.is_empty());
32    }
33}