public MutateInResult(IMutateInResult inner)
{
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
if (inner == null)
{
ThrowHelper.ThrowArgumentNullException(nameof(inner));
}
if (inner is not ITypeSerializerProvider)
{
ThrowHelper.ThrowNotSupportedException("The class implementing IMutateInResult must also implement ITypeSerializerProvider.");
}
_inner = inner;
}
public static TContent ContentAs <TDocument, TContent>(this IMutateInResult <TDocument> result, Expression <Func <TDocument, TContent> > path)
{
// ReSharper disable ConditionIsAlwaysTrueOrFalse
if (result == null)
{
ThrowHelper.ThrowArgumentNullException(nameof(result));
}
if (path == null)
{
ThrowHelper.ThrowArgumentNullException(nameof(path));
}
// ReSharper restore ConditionIsAlwaysTrueOrFalse
var pathString = SubDocumentPathExpressionVisitor.GetPath(result, path);
var index = result.IndexOf(pathString);
if (index < 0)
{
ThrowHelper.ThrowArgumentException(nameof(path), $"Path '{pathString}' is not found.");
}
return(result.ContentAs <TContent>(index));
}
