Merge pull request #1523 from embassy-rs/static-cell

Use make_static! from static-cell v1.1

1 files changed, 7 insertions, 11 deletions

diff --git a/examples/std/src/bin/net_dns.rs b/examples/std/src/bin/net_dns.rs
index d1e1f8212..932ac5831 100644
--- a/examples/std/src/bin/net_dns.rs
+++ b/examples/std/src/bin/net_dns.rs
@@ -9,21 +9,12 @@ use embassy_net::{Config, Ipv4Address, Ipv4Cidr, Stack, StackResources};
 use heapless::Vec;
 use log::*;
 use rand_core::{OsRng, RngCore};
-use static_cell::StaticCell;
+use static_cell::{make_static, StaticCell};
 
 #[path = "../tuntap.rs"]
 mod tuntap;
 
 use crate::tuntap::TunTapDevice;
-
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        STATIC_CELL.init_with(move || $val)
-    }};
-}
-
 #[derive(Parser)]
 #[clap(version = "1.0")]
 struct Opts {
@@ -65,7 +56,12 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack: &Stack<_> = &*singleton!(Stack::new(device, config, singleton!(StackResources::<3>::new()), seed));
+    let stack: &Stack<_> = &*make_static!(Stack::new(
+        device,
+        config,
+        make_static!(StackResources::<3>::new()),
+        seed
+    ));
 
     // Launch network task
     spawner.spawn(net_task(stack)).unwrap();