Familiarity Bias Is Holding You Back: It's Time to Embrace Arrow Functions | Hacker News Reader

Familiarity Bias Is Holding You Back: It's Time to Embrace Arrow Functions

medium.com

7 pointsericelliott3 comments

This guy is incredibly sanctimonious, but he misses the biggest problem with his notation. Not all the operators he uses are associative.

  const secret = msg => () => msg;

This technically parses uniquely, but it's not at all obvious what the parse structure is. Writing it with the squiggly brackets makes it clearly parsable.

  const secret = { msg => { () => msg } };

I'm not sure what you're trying to express. The "squiggly brackets" example is not valid JavaScript.

If you need to disambiguate associativity, you need to wrap with parentheses:

    const secret = msg => ( () => msg );

But in this case, it's not required, because the alternative doesn't make sense:

    const secret = (msg => ()) => msg;
                            ^ Unexpected token

The interesting bit seems to be the "premium content".

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