in sdk/Sdk.Analyzers/Extensions/TypeSymbolExtensions.cs [16:42]
internal static bool IsAssignableFrom(this ITypeSymbol targetType, ITypeSymbol sourceType, bool exactMatch = false)
{
if (targetType != null)
{
while (sourceType != null)
{
if (sourceType.Equals(targetType, SymbolEqualityComparer.Default))
{
return true;
}
if (exactMatch)
{
return false;
}
if (targetType.TypeKind == TypeKind.Interface)
{
return sourceType.AllInterfaces.Any(i => i.Equals(targetType, SymbolEqualityComparer.Default));
}
sourceType = sourceType.BaseType;
}
}
return false;
}