That sounds like a good plan. I'm going to try that. Thank you Manlio! Am Di., 28. Apr. 2020 um 15:11 Uhr schrieb Manlio Perillo < manlio.peri...@gmail.com>:
> On Tuesday, April 28, 2020 at 10:52:56 AM UTC+2, Chris Burkert wrote: >> >> Dear all, >> >> my application users shall be able to provide multiple json documents >> (files and urls) which I'd like to marshall into one structure. >> Additionally these json documents may have different versions. I know how >> to marshal a document into a version specific struct if I know the format >> version before (for simplicity of this example I don't handle errors): >> https://play.golang.org/p/ixVI5CzPqFP >> >> What I would like (in the example the village field was renamed to cities >> ) is a struct of type ModelV2 with all four values merged in Cities. >> >> Is there a best practice for a backwards compatible behavior which: >> >> - identifies the json format version of each document >> - skips that document if it is higher than the supported format >> version in my application >> - merges supported format versions into ONE struct >> >> Of course I have to implement the semantics on my own but how can I >> approach the topic? >> >> > You can first unmarshal a struct containing only the Version field. As an > example: > https://play.golang.org/p/1oDzdWlTCfC > <https://play.golang.org/p/6G9ooLneADX> > > > Manlio > >> thanks >> > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/274e489d-afdb-4ec9-a5b3-26440364c489%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/274e489d-afdb-4ec9-a5b3-26440364c489%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CALWqRZomuBCB_vV84WA%3DHnsRS%2BfzYOA%2B_2hLyGQAA1BU4VfXtg%40mail.gmail.com.