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    use std::error::Error;

    use crate::{
        file::source::FileSourceResult,
        file::{FileSource, FileStoredFormat},
        Format,
    };

    /// Describes a file sourced from a string
    #[derive(Clone, Debug)]
    pub struct FileSourceString(String);

    impl<'a> From<&'a str> for FileSourceString {
        fn from(s: &'a str) -> Self {
            Self(s.into())
        }
    }

    impl<F> FileSource<F> for FileSourceString
    where
        F: Format + FileStoredFormat + 'static,
    {
        fn resolve(
            &self,
            format_hint: Option<F>,
        ) -> Result<FileSourceResult, Box<dyn Error + Send + Sync>> {
            Ok(FileSourceResult {
                uri: None,
                content: self.0.clone(),
                format: Box::new(format_hint.expect("from_str requires a set file format")),
            })
        }
    }