import Foundation

public struct Velocity: Equatable, Sendable {
  public var airflow: Double
  public var dimension: PlenumDimension
  
  public var value: Double {
    airflow / dimension.areaInSquareFeet
  }

  public var flagged: Flagged { .velocity(self) }
}

extension Flagged {
  public static func velocity(_ velocity: Velocity) -> Self {
    .init(wrappedValue: velocity.value, .velocity())
  }
}