A simple visual studio code snippet to create `GetHashCode` member in C#

gethashcode.snippet

<?xml version="1.0" encoding="utf-8" ?>
<CodeSnippets  xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
  <CodeSnippet Format="1.0.0">
    <Header>
      <Title>Basic GetHashCode Implementation.</Title>
      <Shortcut>gethash</Shortcut>
      <Description>
        Code snippet to create a skeleton implementation
        of the the GetHashCode pattern for a class.
      </Description>
      <Author>Duane Wingett</Author>
      <SnippetTypes>
        <SnippetType>Expansion</SnippetType>
      </SnippetTypes>
    </Header>
    <Snippet>
      <Declarations>
        <Literal>
          <ID>InitialPrime</ID>
          <ToolTip>The initial prime number for the GetHasCode implementation.</ToolTip>
          <Default>InitialPrime</Default>
        </Literal>
        <Literal>
          <ID>MultiplierPrime</ID>
          <ToolTip>The multiplier prime number for the GetHasCode implementation.</ToolTip>
          <Default>MultiplierPrime</Default>
        </Literal>
        <Literal>
          <ID>FieldName</ID>
          <ToolTip>Name of a field within the class that should be included in the GetHasCode implementation.</ToolTip>
          <Default>FileName</Default>
        </Literal>
      </Declarations>
      <Code Language="csharp">
        <![CDATA[
        /// <summary>
        /// Returns a hash code for this instance.
        /// </summary>
        /// <returns>Returns a hash code for this instance</returns>
        public override int GetHashCode()
        {
            int initialPrimeNumber = $InitialPrime$;
            int multiplierPrimeNumber = $MultiplierPrime$;

            // Overflow is fine, just wrap
            unchecked
            {
                int hash = initialPrimeNumber;

                hash = (hash * multiplierPrimeNumber) + $FieldName$.GetHashCode();

                return hash;
            }
        }
        ]]>
      </Code>
    </Snippet>
  </CodeSnippet>
</CodeSnippets>