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fix: corrected the sequence properties to handle empty lists

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Dylan R. E. Moonfire 2022-06-28 02:23:20 -05:00
parent 603c692d7f
commit 7fca466dbb
1 changed files with 4 additions and 4 deletions
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8
src/Nitride/Entities/EntitySequence.cs
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@ -15,15 +15,15 @@ public class EntitySequence
this.Index = index; this.Index = index;
} }
public bool HasNext => !this.IsLast; public bool HasNext => this.Sequence.Count > 0 && !this.IsLast;
public bool HasPrevious => !this.IsFirst; public bool HasPrevious => this.Sequence.Count > 0 && !this.IsFirst;
public int Index { get; } public int Index { get; }
public bool IsFirst => this.Index == 0; public bool IsFirst => this.Sequence.Count > 0 && this.Index == 0;
public bool IsLast => this.Index == this.Sequence.Count - 1; public bool IsLast => this.Sequence.Count > 0 && this.Index == this.Sequence.Count - 1;
public Entity? Next => this.HasNext ? this.Sequence[this.Index + 1] : null; public Entity? Next => this.HasNext ? this.Sequence[this.Index + 1] : null;