diff options
Diffstat (limited to 'src/ILLink.Shared/ParameterIndex.cs')
| -rw-r--r-- | src/ILLink.Shared/ParameterIndex.cs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/ILLink.Shared/ParameterIndex.cs b/src/ILLink.Shared/ParameterIndex.cs index 84113a820..7a6ea6808 100644 --- a/src/ILLink.Shared/ParameterIndex.cs +++ b/src/ILLink.Shared/ParameterIndex.cs @@ -3,12 +3,14 @@ using System.Diagnostics.CodeAnalysis; +#nullable enable + namespace ILLink.Shared.TypeSystemProxy { /// <summary> /// Used to indicate the index of the parameter in the Parameters metadata section (i.e. the first parameter that is not the implicit 'this' is 0) /// It is very error prone to use an int to represent the index in parameters metadata section / source code parameter index as well as for indexing into argument lists. - /// Instead, use this struct whenever representing an index of a parameter. + /// Instead, use this struct whenever representing an index of a parameter. /// </summary> /// <example> /// In a call to a non-static function Foo(int a, int b, int c) @@ -25,7 +27,7 @@ namespace ILLink.Shared.TypeSystemProxy /// 1 refers to b, /// 2 refers to c. /// </example> - public struct ParameterIndex + public readonly struct ParameterIndex : System.IEquatable<ParameterIndex> { public readonly int Index; @@ -39,7 +41,10 @@ namespace ILLink.Shared.TypeSystemProxy public static ParameterIndex operator ++ (ParameterIndex val) => new ParameterIndex (val.Index + 1); public override bool Equals ([NotNullWhen (true)] object? obj) - => obj is ParameterIndex other && this == other; + => obj is ParameterIndex other && Index == other.Index; + + public bool Equals (ParameterIndex other) + => Index == other.Index; public override int GetHashCode () => Index.GetHashCode (); |