take_while
Sequence.take_while
Lazily take the first elements of this Sequence for which predicate 'p' holds.
Postcondition
post
analysis: result ∀ p
analysis: {
n := nth result.count
!n || !(p n.or_panic)
}0.098dev (GIT hash b44352b4c68decbc58a097b291a1c8f3a5a05486)