[telemachos]

The complaints I recall about Ruby keyword arguments were on Twitter:

https://twitter.com/brixen/status/281180931950264320

https://twitter.com/garybernhardt/status/281181122736582656.

Not sure if that's what you're thinking of.

@ch0wn: I'm pretty sure that chao- was talking about the implementation of keyword arguments, not refinements.

[chao-]

That was indeed the complaint: That the keyword arguments are actually implemented as a hash underneath. Still useful for loads of reasons, but hopefully will transition to a more optimized implementation one day.