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