[Github-comments] [geany/geany] Show JavaScript 'const' variables on symbol list (#2879)

[elextr]

Ok, so its the combination of symbols.c and tagmanager, so its not as simple as just the switch that I suggested.  And now I'm remembering why I don't touch any of that stuff :)

As for the type of xsq in the above, well, I don't think ctags handles any expression evaluation, so noticing that the lambda is called and returns a value is beyond its pay grade, and (I think, jsfiddle was happy with it):
```
const xsq = (function(x){ return x*x});
```
__is__ a function, so the presence of the parens about the lambda can't be simply taken to not make it a function.  And in a dynamic language like JS static inference is unlikely to always work anyway (see also Python and other dynamic languages).  

And inference is necessary in C++ and heaps of other languages too now.  I'm afraid the world (except C) has run away ahead of the capabilities of the ctags model.

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