Alias of -> just ?

RxJS version: 5.5.2 Code to reproduce:

like renamed operators in rxjs/operators

[rgbkrk]

Wow this is an amusing one. While of is not a keyword it is a built in, for use in for of loops. You can do some silly things with the fact that of can be assigned. It doesn’t change the semantics of a for(x of ...) though.

> var of = "yep"
undefined
> for(y of [1,2,3]) { console.log(y) }
1
2
3
undefined
> of
'yep'

since of is a valid variable name:

> of = [1,2,3]
[ 1, 2, 3 ]
> for(of of of) { console.log(of) }
1
2
3

[lock[bot]]

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