detect_rs 0.1.0

Detect files on your filesystem using arbitrary expression language criteria
Documentation 
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/// uninhabited type, used to signify that something does not exist
/// provided typeclass instances never invoked but provided for
/// convenience
#[derive(Debug, Clone)]
pub enum Done {}

impl std::fmt::Display for Done {
    fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        unreachable!()
    }
}