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Implement parameterless IComparable for StreamPosition and StreamRevision #111

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merged 1 commit into from
May 3, 2021
Merged

Implement parameterless IComparable for StreamPosition and StreamRevision #111

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9 changes: 8 additions & 1 deletion src/EventStore.Client/StreamPosition.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ namespace EventStore.Client {
/// <summary>
/// A structure referring to an <see cref="EventRecord"/>'s position within a stream.
/// </summary>
public readonly struct StreamPosition : IEquatable<StreamPosition>, IComparable<StreamPosition> {
public readonly struct StreamPosition : IEquatable<StreamPosition>, IComparable<StreamPosition>, IComparable {
private readonly ulong _value;

/// <summary>
Expand Down Expand Up @@ -58,6 +58,13 @@ public StreamPosition(ulong value) {
/// <inheritdoc />
public int CompareTo(StreamPosition other) => _value.CompareTo(other._value);

/// <inheritdoc />
public int CompareTo(object? obj) => obj switch {
null => 1,
StreamPosition other => CompareTo(other),
_ => throw new ArgumentException("Object is not a StreamPosition"),
};

/// <inheritdoc />
public bool Equals(StreamPosition other) => _value == other._value;

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9 changes: 8 additions & 1 deletion src/EventStore.Client/StreamRevision.cs
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Expand Up @@ -5,7 +5,7 @@ namespace EventStore.Client {
/// <summary>
/// A structure referring to the expected stream revision when writing to a stream.
/// </summary>
public readonly struct StreamRevision : IEquatable<StreamRevision>, IComparable<StreamRevision> {
public readonly struct StreamRevision : IEquatable<StreamRevision>, IComparable<StreamRevision>, IComparable {
private readonly ulong _value;

/// <summary>
Expand Down Expand Up @@ -53,6 +53,13 @@ public StreamRevision(ulong value) {
/// <inheritdoc />
public int CompareTo(StreamRevision other) => _value.CompareTo(other._value);

/// <inheritdoc />
public int CompareTo(object? obj) => obj switch {
null => 1,
StreamRevision other => CompareTo(other),
_ => throw new ArgumentException("Object is not a StreamRevision"),
};

/// <inheritdoc />
public bool Equals(StreamRevision other) => _value == other._value;

Expand Down