dotpython/src/DotPython.Language/Text/TextSpan.cs at main · kidoz/dotpython · GitHub

27 lines (20 loc) · 680 Bytes

namespace DotPython.Language.Text;

public readonly record struct TextSpan

{

public TextSpan(int start, int length)

{

ArgumentOutOfRangeException.ThrowIfNegative(start);

ArgumentOutOfRangeException.ThrowIfNegative(length);

Start = start;

Length = length;

}

public int Start { get; }

public int Length { get; }

public int End => checked(Start + Length);

public static TextSpan FromBounds(int start, int end)

{

ArgumentOutOfRangeException.ThrowIfLessThan(end, start);

return new TextSpan(start, end - start);

}

public bool Contains(int position) => position >= Start && position < End;

}

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