Mostly, because splice (and slice syntax) allow complete control over where to start and how many.
And library routine use those terms combined with map is going to have to be -- or at least feel the pressure to be -- equally flexible.
And a) that flexibility would have a disastrous affect on both usability & efficiency for the simple case; b) I've never encountered a need for that flexibility; where the simple case can (and has for me in recent months), crop up very frequently.
Also, splice modifies array, this just provides snapshots.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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