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Adapt to existing object not work when have readonly property #984
Description
Please help.
void Main()
{
var a1=new Foo(){Id=3,Name="aa"};
var a2=new Foo(){Id=3};
a1.Adapt(a2);
a2.Name.Dump(); // will got null
}
class Foo(){
public int Id {get;set;}
public string Name{get;set;}
public string Prop {get;} //when have setter, no problem
}
Activity
DocSvartz commentedon Jun 12, 2026
Hi @ahdung, Do you want to update the property value from readonly property?
ahdung commentedon Jun 12, 2026
no, the problem is readonly property cause entire a2 not get updated.
DocSvartz commentedon Jun 12, 2026
What version of Mapster?
ahdung commentedon Jun 12, 2026
10.0.7, latest release
DocSvartz commentedon Jun 12, 2026
This is a bug in defining immutable types. Use the latest pre-release version or register the type mapping to itself without any settings.
ahdung commentedon Jun 12, 2026
Thank you very much