From 604267088c9ef6afa021807b437dab22d72dfc99 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 16 Jun 2021 22:48:48 +0300
Subject: internal: add iterator to minicore

---
 crates/test_utils/src/minicore.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'crates/test_utils')

diff --git a/crates/test_utils/src/minicore.rs b/crates/test_utils/src/minicore.rs
index e04ca58d2..011d460be 100644
--- a/crates/test_utils/src/minicore.rs
+++ b/crates/test_utils/src/minicore.rs
@@ -20,6 +20,7 @@
 //!     future: pin
 //!     option:
 //!     result:
+//!     iterator: option
 
 pub mod marker {
     // region:sized
@@ -206,9 +207,38 @@ pub mod task {
 }
 // endregion:future
 
+// region:iterator
+pub mod iter {
+    mod traits {
+        mod iterator {
+            pub trait Iterator {
+                type Item;
+                #[lang = "next"]
+                fn next(&mut self) -> Option<Self::Item>;
+                fn nth(&mut self, n: usize) -> Option<Self::Item> {
+                    loop {}
+                }
+            }
+        }
+        mod collect {
+            pub trait IntoIterator {
+                type Item;
+                type IntoIter: Iterator<Item = Self::Item>;
+                #[lang = "into_iter"]
+                fn into_iter(self) -> Self::IntoIter;
+            }
+        }
+        pub use self::collect::IntoIterator;
+        pub use self::iterator::Iterator;
+    }
+    pub use self::traits::{IntoIterator, Iterator};
+}
+// endregion:iterator
+
 pub mod prelude {
     pub mod v1 {
         pub use crate::{
+            iter::{IntoIterator, Iterator},     // :iterator
             marker::Sized,                      // :sized
             ops::{Fn, FnMut, FnOnce},           // :fn
             option::Option::{self, None, Some}, // :option
-- 
cgit v1.2.3


From ee7b649d445b9c33486f3b5c3bef29bdb28124bc Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 16 Jun 2021 22:54:57 +0300
Subject: internal: switch some tests to minicore

---
 crates/test_utils/src/minicore.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'crates/test_utils')

diff --git a/crates/test_utils/src/minicore.rs b/crates/test_utils/src/minicore.rs
index 011d460be..a861ff09c 100644
--- a/crates/test_utils/src/minicore.rs
+++ b/crates/test_utils/src/minicore.rs
@@ -227,6 +227,13 @@ pub mod iter {
                 #[lang = "into_iter"]
                 fn into_iter(self) -> Self::IntoIter;
             }
+            impl<I: Iterator> IntoIterator for I {
+                type Item = I::Item;
+                type IntoIter = I;
+                fn into_iter(self) -> I {
+                    self
+                }
+            }
         }
         pub use self::collect::IntoIterator;
         pub use self::iterator::Iterator;
-- 
cgit v1.2.3


From 35772256f8ff3c52e469fc2bd388ad80ff8d79c7 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 16 Jun 2021 23:27:04 +0300
Subject: internal: cleanup tests

---
 crates/test_utils/src/minicore.rs | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'crates/test_utils')

diff --git a/crates/test_utils/src/minicore.rs b/crates/test_utils/src/minicore.rs
index a861ff09c..2f0da7fe5 100644
--- a/crates/test_utils/src/minicore.rs
+++ b/crates/test_utils/src/minicore.rs
@@ -209,8 +209,29 @@ pub mod task {
 
 // region:iterator
 pub mod iter {
+    mod adapters {
+        pub struct Take<I> {
+            iter: I,
+            n: usize,
+        }
+
+        impl<I> Iterator for Take<I>
+        where
+            I: Iterator,
+        {
+            type Item = <I as Iterator>::Item;
+
+            fn next(&mut self) -> Option<<I as Iterator>::Item> {
+                loop {}
+            }
+        }
+    }
+    pub use self::adapters::Take;
+
     mod traits {
         mod iterator {
+            use super::super::Take;
+
             pub trait Iterator {
                 type Item;
                 #[lang = "next"]
@@ -218,8 +239,13 @@ pub mod iter {
                 fn nth(&mut self, n: usize) -> Option<Self::Item> {
                     loop {}
                 }
+                fn take(self, n: usize) -> crate::iter::Take<Self> {
+                    loop {}
+                }
             }
         }
+        pub use self::iterator::Iterator;
+
         mod collect {
             pub trait IntoIterator {
                 type Item;
@@ -236,7 +262,6 @@ pub mod iter {
             }
         }
         pub use self::collect::IntoIterator;
-        pub use self::iterator::Iterator;
     }
     pub use self::traits::{IntoIterator, Iterator};
 }
-- 
cgit v1.2.3