sikula 0.4.4

A simple query language
Documentation 
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use sikula::prelude::*;

/// A resource implemented with the derive
#[derive(Search, Clone, Debug, PartialEq, Eq)]
enum DeriveResource<'x> {
    /// Standard qualifier: `author:someone`
    #[search(sort, scope)]
    Author(&'x str),
    /// Default primary: `warranty`
    #[search(default)]
    Subject(Primary<'x>),
    /// Non-default primary: `warranty in:message`, to search in both: `warranty in:message in:subject`
    #[search(scope)]
    Message(Primary<'x>),

    /// Predicate: `is:read`
    Read,

    /// Numeric qualifier example:
    /// * `size:100` (equals)
    /// * `size:>=100` (size greater than or equals 100)
    /// * `size:100..200` (size between 100 inclusive and 200 exclusive)
    /// * `size:*..200` (size up to 200 exclusive)
    #[search(sort)]
    Size(Ordered<usize>),

    #[search(sort)]
    Sent(Ordered<time::OffsetDateTime>),

    Label(Qualified<'x, &'x str>),
}