Predicate, A definition of logical conditions for constraining a search for a fetch or for in-memory filtering

Predicate.swift

import Foundation

/// A definition of logical conditions for constraining a search for a fetch or for in-memory filtering.
/// More info [here](https://www.swiftbysundell.com/articles/predicates-in-swift/)
///
/// Sample:
///
///     func myMethod(predicate: Predicate<MyObject>) -> Bool {
///         objects.contains { predicate(obj) }
///     }
///
///     let result = myMethod { $0.id == myIdDefined }
///
public struct Predicate<Target> {
    public var matches: (Target) -> Bool

    public init(matcher: @escaping (Target) -> Bool) {
        self.matches = matcher
    }
}