Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-dotnet@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The type name 'x' only contains lower-cased ascii characters. Such names may become reserved for the language.

'SExp.Equals(dynamic)' hides inherited member 'object.Equals(object?)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

Cannot convert null literal to non-nullable reference type.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'newKey' in 'Dictionary<string, SExp>? PatternMatch.UnifyBindings(Dictionary<string, SExp> bindings, byte[] newKey, SExp newValue)'.

Possible null reference argument for parameter 'newKey' in 'Dictionary<string, SExp>? PatternMatch.UnifyBindings(Dictionary<string, SExp> bindings, byte[] newKey, SExp newValue)'.

Possible null reference argument for parameter 'newKey' in 'Dictionary<string, SExp>? PatternMatch.UnifyBindings(Dictionary<string, SExp> bindings, byte[] newKey, SExp newValue)'.

Possible null reference argument for parameter 'newKey' in 'Dictionary<string, SExp>? PatternMatch.UnifyBindings(Dictionary<string, SExp> bindings, byte[] newKey, SExp newValue)'.

Converting null literal or possible null value to non-nullable type.