Fable: add a preprocessor symbol to indicate FABLE compilation
Would help writing code that is automatically portable between FABLE and FSC. Can do this anyway with com line symbols but this would make such functionality work out of the box.
Proposed symbol:
(adjust underscores to be compatible with global conventions I probably don't know)
tomcl
All 4 comments
Maybe it could add antoher symbol which gives version information. But not sure if that's practical.
forki
on 8 Aug 2016
Given that Fable is evolving very quickly now, probably including version information won't be very practical indeed. In F# I think usually the double underscore is used for macros like __SOURCE_DIRECTORY__, but compilation symbols tend to be simpler (INTERACTIVE). Probably just FABLE would be too simple. FABLE_COMPILER?
alfonsogarciacaro
on 8 Aug 2016
Yes I would go with FABLE_COMPILER
forki
on 8 Aug 2016
FABLE_COMPILER is good with me.
However, I'd still wonder whether _FABLE_COMPILER_ or _FABLE_COMPILER would be better with the underscores indicating system-level status. I defer to whatever others more familiar with F#/Javascript conventions think.
tomcl
on 8 Aug 2016
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Most helpful comment
Yes I would go with FABLE_COMPILER