module RubyXL
module RubyXL::CellConvenienceMethods
module RubyXL::ColorConvenienceClasses
module RubyXL::ColorConvenienceMethods
module RubyXL::DataType
module RubyXL::FontConvenienceMethods
module RubyXL::LegacyCell
module RubyXL::LegacyWorksheet
module RubyXL::OOXMLObjectClassMethods
module RubyXL::OOXMLObjectInstanceMethods
module RubyXL::RelationshipSupport
module RubyXL::RelationshipSupport::ClassMehods
module RubyXL::WorkbookConvenienceMethods
module RubyXL::WorksheetConvenienceMethods
class RubyXL::AExtension
class RubyXL::AExtensionStorageArea
class RubyXL::ActiveX
class RubyXL::ActiveXBinary
class RubyXL::AdjustHandleList
class RubyXL::Alignment
class RubyXL::AlternateContent
class RubyXL::AlternateUrls
class RubyXL::Authors
class RubyXL::AutoFilter
class RubyXL::AutoFilterColumn
class RubyXL::BinaryImageFile
class RubyXL::BodyProperties
class RubyXL::BooleanNode
class RubyXL::BooleanValue
class RubyXL::Border
class RubyXL::BorderEdge
class RubyXL::Borders
class RubyXL::Break
class RubyXL::BreakList
class RubyXL::CT_AdjPoint2D
class RubyXL::CT_AlphaBiLevelEffect
class RubyXL::CT_AlphaModulateEffect
class RubyXL::CT_AlphaModulateFixedEffect
class RubyXL::CT_AlphaOutsetEffect
class RubyXL::CT_AlphaReplaceEffect
class RubyXL::CT_Backdrop
class RubyXL::CT_Bevel
class RubyXL::CT_BiLevelEffect
class RubyXL::CT_BlendEffect
class RubyXL::CT_Blip
class RubyXL::CT_BlipFillProperties
class RubyXL::CT_BlurEffect
class RubyXL::CT_Camera
class RubyXL::CT_Color
class RubyXL::CT_ColorChangeEffect
class RubyXL::CT_ColorMapping
class RubyXL::CT_ColorScheme
class RubyXL::CT_ColorSchemeAndMapping
class RubyXL::CT_ConnectionSite
class RubyXL::CT_ConnectionSiteList
class RubyXL::CT_DashStop
class RubyXL::CT_DashStopList
class RubyXL::CT_DefaultShapeDefinition
class RubyXL::CT_DuotoneEffect
class RubyXL::CT_EffectContainer
class RubyXL::CT_EffectList
class RubyXL::CT_EffectReference
class RubyXL::CT_EffectStyleItem
class RubyXL::CT_EffectStyleList
class RubyXL::CT_EmbeddedWAVAudioFile
class RubyXL::CT_FillEffect
class RubyXL::CT_FillOverlayEffect
class RubyXL::CT_FillStyleList
class RubyXL::CT_FlatText
class RubyXL::CT_FontCollection
class RubyXL::CT_FontReference
class RubyXL::CT_GeomGuideList
class RubyXL::CT_GlowEffect
class RubyXL::CT_GradientFillProperties
class RubyXL::CT_GradientStop
class RubyXL::CT_GradientStopList
class RubyXL::CT_HSLEffect
class RubyXL::CT_HslColor
class RubyXL::CT_Hyperlink
class RubyXL::CT_InnerShadowEffect
class RubyXL::CT_LightRig
class RubyXL::CT_LineEndProperties
class RubyXL::CT_LineJoinMiterProperties
class RubyXL::CT_LineProperties
class RubyXL::CT_LineStyleList
class RubyXL::CT_LinearShadeProperties
class RubyXL::CT_LuminanceEffect
class RubyXL::CT_ObjectStyleDefaults
class RubyXL::CT_OuterShadowEffect
class RubyXL::CT_Path2D
class RubyXL::CT_Path2DArcTo
class RubyXL::CT_Path2DCubicBezierTo
class RubyXL::CT_Path2DList
class RubyXL::CT_Path2DQuadBezierTo
class RubyXL::CT_Path2DTo
class RubyXL::CT_PathShadeProperties
class RubyXL::CT_PatternFillProperties
class RubyXL::CT_Point3D
class RubyXL::CT_PolarAdjustHandle
class RubyXL::CT_PresetColor
class RubyXL::CT_PresetLineDashProperties
class RubyXL::CT_PresetShadowEffect
class RubyXL::CT_PresetTextShape
class RubyXL::CT_ReflectionEffect
class RubyXL::CT_RelativeOffsetEffect
class RubyXL::CT_RelativeRect
class RubyXL::CT_SRgbColor
class RubyXL::CT_ScRgbColor
class RubyXL::CT_Scene3D
class RubyXL::CT_SchemeColor
class RubyXL::CT_Shape3D
class RubyXL::CT_ShapeStyle
class RubyXL::CT_SoftEdgesEffect
class RubyXL::CT_SphereCoords
class RubyXL::CT_StretchInfoProperties
class RubyXL::CT_StyleMatrix
class RubyXL::CT_StyleMatrixReference
class RubyXL::CT_SupplementalFont
class RubyXL::CT_SystemColor
class RubyXL::CT_TextAutonumberBullet
class RubyXL::CT_TextBlipBullet
class RubyXL::CT_TextCharBullet
class RubyXL::CT_TextCharacterProperties
class RubyXL::CT_TextFont
class RubyXL::CT_TextListStyle
class RubyXL::CT_TextNormalAutofit
class RubyXL::CT_TextParagraphProperties
class RubyXL::CT_TextSpacing
class RubyXL::CT_TextTabStop
class RubyXL::CT_TextTabStopList
class RubyXL::CT_TileInfoProperties
class RubyXL::CT_TintEffect
class RubyXL::CT_Transform2D
class RubyXL::CT_TransformEffect
class RubyXL::CT_Vector3D
class RubyXL::CT_XYAdjustHandle
class RubyXL::CalculationChain
class RubyXL::CalculationChainCell
class RubyXL::CalculationProperties
class RubyXL::Cell
class RubyXL::CellExt
class RubyXL::CellSmartTag
class RubyXL::CellSmartTagProperty
class RubyXL::CellSmartTags
class RubyXL::CellStyle
class RubyXL::CellStyleXFs
class RubyXL::CellStyles
class RubyXL::CellValue
class RubyXL::CellWatch
class RubyXL::CellWatches
class RubyXL::CellXFs
class RubyXL::ChartColorsFile
class RubyXL::ChartFile
class RubyXL::ChartStyleFile
class RubyXL::ChartUserShapesFile
class RubyXL::Chartsheet
class RubyXL::ChartsheetPageSetup
class RubyXL::ChartsheetProperties
class RubyXL::ChartsheetProtection
class RubyXL::ChartsheetView
class RubyXL::ChartsheetViews
class RubyXL::Color
class RubyXL::ColorConvenienceClasses::HlsColor
class RubyXL::ColorConvenienceClasses::RgbColor
class RubyXL::ColorFilter
class RubyXL::ColorScale
class RubyXL::ColorSet
class RubyXL::Colors
class RubyXL::ColumnRange
class RubyXL::ColumnRanges
class RubyXL::Comment
class RubyXL::CommentList
class RubyXL::CommentsFile
class RubyXL::ConditionalFormatValue
class RubyXL::ConditionalFormatting
class RubyXL::ConditionalFormattingRule
class RubyXL::Connection
class RubyXL::ConnectionTable
class RubyXL::ConnectionTables
class RubyXL::ConnectionTextField
class RubyXL::ConnectionTextFields
class RubyXL::Connections
class RubyXL::ContentTypeDefault
class RubyXL::ContentTypeOverride
class RubyXL::ContentTypes
class RubyXL::ControlPropertiesFile
class RubyXL::CorePropertiesFile
class RubyXL::CustomColor
class RubyXL::CustomColorList
class RubyXL::CustomFilter
class RubyXL::CustomFilters
class RubyXL::CustomGeometry
class RubyXL::CustomProperties
class RubyXL::CustomPropertiesFile
class RubyXL::CustomProperty
class RubyXL::CustomPropertyFile
class RubyXL::CustomSheetView
class RubyXL::CustomSheetViews
class RubyXL::CustomWorkbookView
class RubyXL::CustomWorkbookViews
class RubyXL::CustomXMLFile
class RubyXL::DXF
class RubyXL::DXFs
class RubyXL::DataBar
class RubyXL::DataConsolidate
class RubyXL::DataConsolidationReference
class RubyXL::DataConsolidationReferences
class RubyXL::DataValidation
class RubyXL::DataValidations
class RubyXL::DateGroupItem
class RubyXL::DefinedName
class RubyXL::DefinedNameExt
class RubyXL::DefinedNames
class RubyXL::DefinedNamesExt
class RubyXL::DocumentPropertiesFile
class RubyXL::DrawingFile
class RubyXL::DynamicFilter
class RubyXL::EmbeddedControl
class RubyXL::EmbeddedControls
class RubyXL::Extension
class RubyXL::ExtensionStorageArea
class RubyXL::Extents
class RubyXL::ExternalBook
class RubyXL::ExternalLinksFile
class RubyXL::ExternalReference
class RubyXL::ExternalReferences
class RubyXL::ExtraColorSchemeList
class RubyXL::FieldItem
class RubyXL::FileRecoveryProperties
class RubyXL::FileSharing
class RubyXL::FileVersion
class RubyXL::Fill
class RubyXL::Fills
class RubyXL::FilterContainer
class RubyXL::FloatNode
class RubyXL::FloatValue
class RubyXL::Font
class RubyXL::FontScheme
class RubyXL::Fonts
class RubyXL::Formula
class RubyXL::FunctionGroup
class RubyXL::FunctionGroups
class RubyXL::GenericStorageObject
class RubyXL::GradientFill
class RubyXL::HeaderFooterSettings
class RubyXL::Hyperlink
class RubyXL::HyperlinkRelFile
class RubyXL::Hyperlinks
class RubyXL::IconFilter
class RubyXL::IconSet
class RubyXL::IgnoredError
class RubyXL::IgnoredErrors
class RubyXL::IndexedColors
class RubyXL::InputCells
class RubyXL::IntegerNode
class RubyXL::IntegerValue
class RubyXL::MRUColors
class RubyXL::MacrosFile
class RubyXL::MergedCell
class RubyXL::MergedCells
class RubyXL::NumFmt
class RubyXL::NumberFormat
class RubyXL::NumberFormats
class RubyXL::OLEObject
class RubyXL::OLEObjectFile
class RubyXL::OLEObjects
class RubyXL::OLESize
class RubyXL::OOXMLContainerObject
class RubyXL::OOXMLIgnored
class RubyXL::OOXMLObject
class RubyXL::OOXMLRelationshipsFile
class RubyXL::OOXMLTopLevelObject
class RubyXL::OdbcOleDbProperties
class RubyXL::Offset
class RubyXL::OlapProperties
class RubyXL::OleItem
class RubyXL::OleItems
class RubyXL::OleLink
class RubyXL::OutlineProperties
class RubyXL::PageMargins
class RubyXL::PageSetup
class RubyXL::PageSetupProperties
class RubyXL::Pane
class RubyXL::Parser
class RubyXL::PatternFill
class RubyXL::PersonMetadata
class RubyXL::PhoneticProperties
class RubyXL::PhoneticRun
class RubyXL::PivotArea
class RubyXL::PivotCache
class RubyXL::PivotCacheDefinitionFile
class RubyXL::PivotCacheRecordsFile
class RubyXL::PivotCaches
class RubyXL::PivotReference
class RubyXL::PivotReferences
class RubyXL::PivotTableFile
class RubyXL::PivotTableSelection
class RubyXL::PresetGeometry
class RubyXL::PrintOptions
class RubyXL::PrinterSettingsFile
class RubyXL::ProtectedRange
class RubyXL::ProtectedRanges
class RubyXL::Protection
class RubyXL::QueryParameter
class RubyXL::QueryParameters
class RubyXL::QueryTable
class RubyXL::QueryTableDeletedField
class RubyXL::QueryTableDeletedFields
class RubyXL::QueryTableField
class RubyXL::QueryTableFields
class RubyXL::QueryTableRefresh
class RubyXL::RID
class RubyXL::RawOOXML
class RubyXL::Reference
class RubyXL::Relationship
class RubyXL::RevisionPointer
class RubyXL::RichText
class RubyXL::RichTextRun
class RubyXL::Row
class RubyXL::RowExt
class RubyXL::RunProperties
class RubyXL::Scenario
class RubyXL::Scenarios
class RubyXL::Selection
class RubyXL::ShapeGuide
class RubyXL::ShapeTextRectangle
class RubyXL::SharedStringsTable
class RubyXL::Sheet
class RubyXL::SheetCalculationProperties
class RubyXL::SheetData
class RubyXL::SheetDataExt
class RubyXL::SheetDataSet
class RubyXL::SheetMetadata
class RubyXL::SheetName
class RubyXL::SheetNames
class RubyXL::Sheets
class RubyXL::SlicerCacheFile
class RubyXL::SlicerFile
class RubyXL::SmartTagProperties
class RubyXL::SmartTagType
class RubyXL::SmartTagTypes
class RubyXL::SmartTags
class RubyXL::SortCondition
class RubyXL::SortState
class RubyXL::Sqref
class RubyXL::Stop
class RubyXL::StringNode
class RubyXL::StringNodeW3C
class RubyXL::StringValue
class RubyXL::Stylesheet
class RubyXL::TableFile
class RubyXL::TableParts
class RubyXL::TableStyle
class RubyXL::TableStyles
class RubyXL::Text
class RubyXL::TextImportSettings
class RubyXL::Theme
class RubyXL::ThemeElements
class RubyXL::ThumbnailFile
class RubyXL::Top10
class RubyXL::VMLDrawingFile
class RubyXL::Variant
class RubyXL::Vector
class RubyXL::VectorValue
class RubyXL::VisualProperties
class RubyXL::WebPublishObject
class RubyXL::WebPublishObjects
class RubyXL::WebPublishingItem
class RubyXL::WebPublishingItems
class RubyXL::WebPublishingProperties
class RubyXL::WebQueryProperties
class RubyXL::Workbook
class RubyXL::WorkbookProperties
class RubyXL::WorkbookProtection
class RubyXL::WorkbookRoot
class RubyXL::WorkbookView
class RubyXL::WorkbookViews
class RubyXL::Worksheet
class RubyXL::WorksheetDimensions
class RubyXL::WorksheetFormatProperties
class RubyXL::WorksheetProperties
class RubyXL::WorksheetProtection
class RubyXL::WorksheetView
class RubyXL::WorksheetViews
class RubyXL::XF
rubyXL
3.4.27
# valid?
def valid? !(row_range.begin.negative? || col_range.begin.negative?) end