from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A particular operator that, when applied to a function f. yields a function
- n. Any image of that operator.
Sorry, no etymologies found.
We could replace rv. delete_at (j); rv. push (it) with rv [j] = it to gain performance at cost of item order in the sample ... or we could do that plus Schwarzian transform into [index, item] space to get correctly ordered results fast.