You don't need it any more, as it's now the default.
Yes, the 'lightweight syntax' is what enables you to remove various noisy keywords (like 'in' after a 'let') and punctuation (like semicolons) and just let the indentation figure it out.
I know it's default, but I want to know exactly what "#light" is used for? By anyway, thanks alot.
#light at the top of the file indicates the lightweight syntax is enabled.
The simplifications brought by the lightweight syntax can be found at : [link:research.microsoft.com]
Thanks for reply but I can't open that page.
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I'm F# beginer. Can anyone explain for me about why we always use "#light" at the beginning of source code?
Is it for indentation? Thanks.