import Foundation

/// Represents the evaluation result for a single line in the editor.
struct LineResult: Identifiable, Equatable {
    let id: Int
    let expression: String
    let result: String?
    let isError: Bool

    /// Line number (1-based) corresponding to this result.
    var lineNumber: Int { id }

    /// A blank/comment line that produces no result.
    var isEmpty: Bool { result == nil && !isError }
}