eliottrobson

//
//  View+PositionSticky.swift
//  App
//
//  Created by Eliott Robson on 22/03/2024.
//

import SwiftUI

extension View {

eliottrobson

public interface ISpecification<T> where T : class
{
    Expression<Func<T, bool>> Predicate { get; }

    bool IsSatisfiedBy(T entity);
}

eliottrobson

/// <summary>
/// Reduces boolean expressions to improve performance with generated queries.
/// <example>
/// For example:
/// <code>
///     Expression<Func<User, FollowingData>> projection = u => new FollowingData
///     {
///         UserId          = u.Id,
///         FollowersCount  = u.Followers.Count,
///         IsFollowing     = currentUserId.HasValue && u.Following.Any(f => f.UserId == currentUserId.Value)