clamp method
Implementation
TextLineDecoration clamp(int lineCount) {
if (lineCount <= 0) {
return TextLineDecoration(
lineIndex: 0,
styleKey: styleKey,
lineNumberMarker: lineNumberMarker,
lineNumberStyleKey: lineNumberStyleKey,
);
}
return TextLineDecoration(
lineIndex: lineIndex.clamp(0, lineCount - 1),
styleKey: styleKey,
lineNumberMarker: lineNumberMarker,
lineNumberStyleKey: lineNumberStyleKey,
);
}