{ $values { "seq" sequence } { "quot" { $quotation ( ... elt -- ... ? ) } } { "?" boolean } }
{ $description "Tests if all elements in the sequence satisfy the predicate by checking each element in turn. Given an empty sequence, vacuously outputs " { $link t } "." } ;
+{ any? all? none? } related-words
+
HELP: push-when
{ $values { "elt" object } { "quot" { $quotation ( ..a elt -- ..b ? ) } } { "accum" "a resizable mutable sequence" } }
{ $description "Adds the element at the end of the sequence if the quotation yields a true value." }
{ $subsections
any?
all?
+ none?
}
{ $heading "Related Articles" }
{ $subsections