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-rw-r--r--src/gleam/iterator.gleam19
1 files changed, 14 insertions, 5 deletions
diff --git a/src/gleam/iterator.gleam b/src/gleam/iterator.gleam
index 6634f23..b51987d 100644
--- a/src/gleam/iterator.gleam
+++ b/src/gleam/iterator.gleam
@@ -48,7 +48,9 @@ fn do_unfold(initial, f) {
// TODO: test
// TODO: document
pub fn unfold(from initial: acc, with f: fn(acc) -> Step(element, acc)) -> Iterator(element) {
- opaque(do_unfold(initial, f))
+ initial
+ |> do_unfold(_, f)
+ |> opaque
}
// TODO: test
@@ -82,10 +84,11 @@ fn do_fold(iterator, initial, f) {
}
}
-// TODO: test
// TODO: document
pub fn fold(over iterator: Iterator(e), from initial: acc, with f: fn(e, acc) -> acc) -> acc {
- do_fold(unopaque(iterator), initial, f)
+ iterator
+ |> unopaque
+ |> do_fold(_, initial, f)
}
// TODO: test
@@ -134,7 +137,10 @@ fn do_map(iterator, f) {
// TODO: test
// TODO: document
pub fn map(over iterator: Iterator(a), with f: fn(a) -> b) -> Iterator(b) {
- opaque(do_map(unopaque(iterator), f))
+ iterator
+ |> unopaque
+ |> do_map(_, f)
+ |> opaque
}
fn do_filter(iterator, predicate) {
@@ -152,5 +158,8 @@ fn do_filter(iterator, predicate) {
// TODO: test
// TODO: document
pub fn filter(iterator: Iterator(a), for predicate: fn(a) -> Bool) -> Iterator(a) {
- opaque(do_filter(unopaque(iterator), predicate))
+ iterator
+ |> unopaque
+ |> do_filter(_, predicate)
+ |> opaque
}