1  using System;
 2  using System.Diagnostics.CodeAnalysis;
 3  
 4  namespace Spv.Generator
 5  {
 6      internal readonly struct TypeDeclarationKey : IEquatable<TypeDeclarationKey>
 7      {
 8          private readonly Instruction _typeDeclaration;
 9  
10          public TypeDeclarationKey(Instruction typeDeclaration)
11          {
12              _typeDeclaration = typeDeclaration;
13          }
14  
15          public override int GetHashCode()
16          {
17              return DeterministicHashCode.Combine(_typeDeclaration.Opcode, _typeDeclaration.GetHashCodeContent());
18          }
19  
20          public bool Equals(TypeDeclarationKey other)
21          {
22              return _typeDeclaration.Opcode == other._typeDeclaration.Opcode && _typeDeclaration.EqualsContent(other._typeDeclaration);
23          }
24  
25          public override bool Equals([NotNullWhen(true)] object obj)
26          {
27              return obj is TypeDeclarationKey key && Equals(key);
28          }
29      }
30  }