Add some helpers for error handling

2 files changed, 6 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 49a3da3..3c00719 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,7 +13,7 @@ pub mod audio;
 pub mod net;
 pub mod save;
 
-pub use utils::Erm;
+pub use utils::{erm, Erm};
 pub use anyhow::Context as ErmContext;
 
 #[cfg(target_arch = "wasm32")]
diff --git a/src/utils.rs b/src/utils.rs
index f5ce271..b2d1868 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -2,7 +2,11 @@ use serde::{Serialize, Deserialize};
 
 pub type Erm<T> = anyhow::Result<T>;
 
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+pub fn erm<E, T>(e: E) -> Erm<T> where E: std::error::Error + std::marker::Send + std::marker::Sync + 'static {
+    Err(anyhow::Error::from(e))
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
 pub enum Cardinal {
     North,
     South,