Use iterator.empty in tests and examples

2 files changed, 12 insertions, 14 deletions

diff --git a/src/gleam/iterator.gleam b/src/gleam/iterator.gleam
index c09901c..daadea0 100644
--- a/src/gleam/iterator.gleam
+++ b/src/gleam/iterator.gleam
@@ -191,9 +191,7 @@ pub fn to_list(iterator: Iterator(element)) -> List(element) {
 ///    > tail |> to_list
 ///    [2, 3, 4]
 ///
-///    > []
-///    > |> from_list
-///    > |> step
+///    > empty() |> step
 ///    Done
 ///
 pub fn step(iterator: Iterator(e)) -> Step(e, Iterator(e)) {
@@ -466,7 +464,7 @@ fn do_find(continuation: fn() -> Action(a), f: fn(a) -> Bool) -> Result(a, Nil)
 ///    > find(from_list([1, 2, 3]), fn(x) { x > 4 })
 ///    Error(Nil)
 ///
-///    > find(from_list([]), fn(x) { True })
+///    > find(empty(), fn(x) { True })
 ///    Error(Nil)
 ///
 pub fn find(
@@ -787,7 +785,7 @@ fn do_intersperse(
 ///
 /// ## Examples
 ///
-///    > from_list([]) |> intersperse(with: 0) |> to_list
+///    > empty() |> intersperse(with: 0) |> to_list
 ///    []
 ///
 ///    > from_list([1]) |> intersperse(with: 0) |> to_list
@@ -828,7 +826,7 @@ fn do_any(
 ///
 /// ## Examples
 ///
-///    > from_list([]) |> any(fn(n) { n % 2 == 0 })
+///    > empty() |> any(fn(n) { n % 2 == 0 })
 ///    False
 ///
 ///    > from_list([1, 2, 5, 7, 9]) |> any(fn(n) { n % 2 == 0 })
@@ -864,7 +862,7 @@ fn do_all(
 ///
 /// ## Examples
 ///
-///    > from_list([]) |> all(fn(n) { n % 2 == 0 })
+///    > empty() |> all(fn(n) { n % 2 == 0 })
 ///    True
 ///
 ///    > from_list([2, 4, 6, 8]) |> all(fn(n) { n % 2 == 0 })
@@ -955,7 +953,7 @@ pub fn reduce(
 ///
 /// ## Examples
 ///
-///    > from_list([]) |> last
+///    > empty() |> last
 ///    Error(Nil)
 ///
 ///    > range(1, 10) |> last
diff --git a/test/gleam/iterator_test.gleam b/test/gleam/iterator_test.gleam
index 53da3db..338db81 100644
--- a/test/gleam/iterator_test.gleam
+++ b/test/gleam/iterator_test.gleam
@@ -245,7 +245,7 @@ pub fn find_test() {
   |> iterator.find(fn(e) { e > 10 })
   |> should.equal(Error(Nil))
 
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.find(fn(_x) { True })
   |> should.equal(Error(Nil))
 
@@ -320,7 +320,7 @@ pub fn sized_chunk_test() {
 }
 
 pub fn intersperse_test() {
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.intersperse(with: 0)
   |> iterator.to_list
   |> should.equal([])
@@ -337,7 +337,7 @@ pub fn intersperse_test() {
 }
 
 pub fn any_test() {
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.any(satisfying: fn(n) { n % 2 == 0 })
   |> should.be_false
 
@@ -351,7 +351,7 @@ pub fn any_test() {
 }
 
 pub fn all_test() {
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.all(satisfying: fn(n) { n % 2 == 0 })
   |> should.be_true
 
@@ -375,7 +375,7 @@ pub fn group_test() {
 }
 
 pub fn reduce_test() {
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.reduce(with: fn(x, y) { x + y })
   |> should.equal(Error(Nil))
 
@@ -385,7 +385,7 @@ pub fn reduce_test() {
 }
 
 pub fn last_test() {
-  iterator.from_list([])
+  iterator.empty()
   |> iterator.last
   |> should.equal(Error(Nil))