You might know about bind, it takes a function and binds the this to any object you like. At least that's the common usage. Bind has another hidden...
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Whoa, this just blew my mind.
Also, I did not know, or forgot, that null is an object.
I have so much to think about today.
It's the little things 😁.
This is interesting too:
The object created from null will be blank, no prototype!
I think the term is partial application.
well, yes but I wouldn't advise doing it this way, a bound function is quite exotic: ecma-international.org/ecma-262/#s...
showing alternatives would be cool for beginners, like
add5 = x => add(5, x) which is far less confusing,
and even better
add = x => y => x + y;
add5 = add(5)
I 100% agree it is not idiomatic however that is not the point, The point is, I did not know about this for many years and I probably would have went down the functional path sooner had I known about this, I would then look into currying as you say. If ever there was an edge case where currying could not be used and an arg needed to be passed, this might come in handy. (alot of my posts talk about exotic less than idiomatic things, see operator overloading as an example)
I have added a disclaimer.
I do prefer the first option you mention. Now, I don't think a bound function is exotic anymore. When the
classkeyword was first introduced in ES6 a lot of people found that.bindhelped them keep the methods behavior consistent. Maybe they don't know they can use it to achieve partial application but they know.bindexists.I actually wrote something about partial application a while ago, here is the link.
exotic as in: ecma-international.org/ecma-262/#s...
Today I learned.
Thank you Heiker im sure many will find this useful. I kept the language to an accessible level due to the tags.
Never knew bind could do this! Thanks 😁
I'm waiting for the series. 🥳