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Test if a condition holds for all items of a list
Given a list, test if a certain logical condition (i.e. predicate) holds for all items of the list.
clojure
cpp boost
erlang
fantom
fsharp fsharp
groovy
haskell
all (> 1) [2, 3, 4]
ocaml
python 2.6
ruby
scala
scala
Submit a new solution for clojure, cpp, erlang, fantom ...
(every? #(> % 1) [2 3 4])
template <typename InputIterator, typename Predicate>
bool match_all(InputIterator first, InputIterator last, Predicate pred)
{
return find_if(first, last, !pred(_1)) == last;
}
bool match_all(InputIterator first, InputIterator last, Predicate pred)
{
return find_if(first, last, !pred(_1)) == last;
}
Result = lists:all(Pred, List).
echo([2,3,4].all{ it>1 })
let rec IsAll predicate source =
let mutable acc = true
for e in source do
acc <- acc && (predicate e)
acc
let mutable acc = true
for e in source do
acc <- acc && (predicate e)
acc
[2,3,4].every{it > 1}
all (> 1) [2, 3, 4]
(* from the interactive loop *)
# List.for_all (fun x -> x > 1) [2; 3; 4] ;;
- : bool = true
# List.for_all (fun x -> x > 1) [2; 3; 4] ;;
- : bool = true
all(x > 1 for x in [2,3,4])
[2, 3, 4].all? { |x| x > 1 }
List(2, 3, 4).forall { _ > 1 }
List(2, 3, 4).forall { x => x > 1 }
Submit a new solution for clojure, cpp, erlang, fantom ...
