Apex AddError to SObject field

Question

Has anyone found a way of adding a dynamic field level error to an sobject?

I would like to do something like

mySobjectRec.get('fieldname').addError('my error message');

I realise that mySobjectRec.fieldname__c.addError('my error message') works.

Answer 1

Unluckily, this is not possible to do. 

The addError methods on SObject use a highly specialized way to reference the field which is used to hard code the field reference ahead of the method.

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