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import gleam/list
import gleam/set.{type Set}
import gleam/iterator as iter
import ext/iteratorx as iterx
pub fn count(set: Set(a), satisfying predicate: fn(a) -> Bool) -> Int {
set
|> set.to_list
|> iter.from_list
|> iterx.count(satisfying: predicate)
}
pub fn map(set: Set(a), with fun: fn(a) -> b) -> Set(b) {
set
|> set.to_list
|> list.map(with: fun)
|> set.from_list
}
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