examples

commit 1c262923cbf5f8b63c1b096145a8e85e25d24813
parent 8968680f2b50176103d4422573d64478cf5994d4
Author: Henry Wilson <henry@henryandlizzy.uk>
Date:   Fri, 22 Sep 2023 21:30:53 +0100

coro-poll: Use std::transform

Diffstat:
M
src/coro-poll.cpp
 | 
10
++++++----

1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/coro-poll.cpp b/src/coro-poll.cpp
@@ -4,9 +4,10 @@
 #include <poll.h>
 #include <sys/timerfd.h>
 
+#include <algorithm>
+#include <cstdint>
 #include <iostream>
 #include <map>
-#include <cstdint>
 
 static void check_err(char const* msg)
 {
@@ -76,10 +77,11 @@ struct poll_scheduler
 		if (not *this)
 			return;
 
-		pollfd pfds[waiting.size()], *p = pfds;
+		pollfd pfds[waiting.size()];
 
-		for (auto const& [fd, _] : waiting)
-			*p++ = {fd, POLLIN, 0};
+		std::ranges::transform(waiting, pfds, [](auto const& x) {
+			return pollfd{x.first, POLLIN, 0};
+		});
 
 		::poll(pfds, waiting.size(), -1);
 		check_err("poll");