internal static bool ArgumentHasDefaultValue(SyntaxNodeSymbolSemanticModelTuple <ArgumentSyntax, IParameterSymbol> argumentMapping,
SemanticModel semanticModel)
{
var argument = argumentMapping.SyntaxNode;
var parameter = argumentMapping.Symbol;
if (!parameter.HasExplicitDefaultValue)
{
return(false);
}
var defaultValue = parameter.ExplicitDefaultValue;
var argumentValue = semanticModel.GetConstantValue(argument.Expression);
return(argumentValue.HasValue &&
object.Equals(argumentValue.Value, defaultValue));
}
private static bool IsReturnValueUsed(SyntaxNodeSymbolSemanticModelTuple <InvocationExpressionSyntax, IMethodSymbol> matchingInvocation) => !IsExpressionStatement(matchingInvocation.SyntaxNode.Parent) && !IsActionLambda(matchingInvocation.SyntaxNode.Parent, matchingInvocation.SemanticModel);
