One look at the samakonasana aka straddle split and you know it's not for the faint-hearted.

1609, William Shakespeare, “A Louers Complaint”, in Shake-speares Sonnets.[…], London: By G[eorge] Eld for T[homas] T[horpe] and are to be sold by William Aspley, OCLC 216596634:

Accordingly, even though readers always and understandably speak of the theories adumbrated by Socrates here as Plato's theories, one ought not to speak of them so without some compunction--the writing itself, and also Plato the author, present these always in a spirit of open-ended exploration, and sometimes there are contextual clues indicating that Socrates exaggerates or goes what the argument truly justifies, and so on.

Appending items one at a time is still a better deal than concatenation, which reallocates every time.