From 973f3b513fb85b7587312196d8f3aef75be2615f Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Sun, 28 Aug 2022 21:28:26 +0200
Subject: [PATCH] futures: make `select_(slice|array)` hang intead of panicking
 if empty.

---
 embassy-futures/src/select.rs | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/embassy-futures/src/select.rs b/embassy-futures/src/select.rs
index facc2f60..c0dd7ecd 100644
--- a/embassy-futures/src/select.rs
+++ b/embassy-futures/src/select.rs
@@ -199,11 +199,8 @@ pub struct SelectArray<Fut, const N: usize> {
 /// completion the item resolved will be returned, along with the index of the
 /// future that was ready.
 ///
-/// # Panics
-///
-/// This function will panic if the array specified contains no items.
+/// If the array is empty, the resulting future will be Pending forever.
 pub fn select_array<Fut: Future, const N: usize>(arr: [Fut; N]) -> SelectArray<Fut, N> {
-    assert!(N > 0);
     SelectArray { inner: arr }
 }
 
@@ -247,11 +244,8 @@ pub struct SelectSlice<'a, Fut> {
 /// completion the item resolved will be returned, along with the index of the
 /// future that was ready.
 ///
-/// # Panics
-///
-/// This function will panic if the slice specified contains no items.
+/// If the slice is empty, the resulting future will be Pending forever.
 pub fn select_slice<'a, Fut: Future>(slice: &'a mut [Fut]) -> SelectSlice<'a, Fut> {
-    assert!(!slice.is_empty());
     SelectSlice { inner: slice }
 }