FunctionCall.swift

class FunctionCall: Hashable {
    /// The name of the function
    let name: FunctionName
    /// The number of calls for the function.
    var numberOfCalls: Int { calls.count }
    /// The parameters sent to the function.
    private(set) var calls = [Any?]()

    init(name: FunctionName) {
        self.name = name
    }

    /// Append a call to the function with the given parameters.
    /// - Parameter parameters: The parameters to append.
    func append<T>(_ parameters: T?) {
        calls.append(parameters)
    }

    static func == (lhs: FunctionCall, rhs: FunctionCall) -> Bool {
        lhs.name == rhs.name
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(name)
    }
}