summaryrefslogtreecommitdiffstats
path: root/futures/src/command.rs
diff options
context:
space:
mode:
authorLibravatar Ian Douglas Scott <idscott@system76.com>2023-01-26 16:10:45 -0800
committerLibravatar Ian Douglas Scott <idscott@system76.com>2023-01-26 16:10:45 -0800
commit2e4aefa7fc19e4d66152332d28baafe1349c1636 (patch)
tree787b0bbc87522e4d4cda6a3f54a5382ce7896ab6 /futures/src/command.rs
parent2dea5fe058f825db1a03cfce1fa84efbcb46a906 (diff)
downloadiced-2e4aefa7fc19e4d66152332d28baafe1349c1636.tar.gz
iced-2e4aefa7fc19e4d66152332d28baafe1349c1636.tar.bz2
iced-2e4aefa7fc19e4d66152332d28baafe1349c1636.zip
Annotate `Command` and `Subscription` with `#[must_use]`
Calling a function returning one of these types without using it is almost certainly a mistake. Luckily Rust's `#[must_use]` can help warn about this.
Diffstat (limited to 'futures/src/command.rs')
-rw-r--r--futures/src/command.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/futures/src/command.rs b/futures/src/command.rs
index 05c3a1d0..3d1ec3f9 100644
--- a/futures/src/command.rs
+++ b/futures/src/command.rs
@@ -1,4 +1,5 @@
/// A set of asynchronous actions to be performed by some runtime.
+#[must_use = "`Command` must be returned to runtime to take effect"]
#[derive(Debug)]
pub struct Command<T>(Internal<T>);