reporter: introduce TooManyWarnings

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/reporter.rs b/src/reporter.rs
index 4f72c355bdfb86ea6cb7dcd6f39fa7f721a65527..6f4fb0d4cb17f073391dc171aea8d7e4520b015e 100644 (file)
--- a/src/reporter.rs
+++ b/src/reporter.rs
@@ -204,12 +204,14 @@ pub struct Warnings {
   pub warnings: Vec<String>,
 }
 
+#[derive(Debug,Error)]
+#[error("too many warnings")]
+pub struct TooManyWarnings;
+
 impl Warnings {
-  #[throws(AE)]
+  #[throws(TooManyWarnings)]
   pub fn add(&mut self, e: &dyn Display) {
-    if self.warnings.len() >= MAX_WARNINGS {
-      throw!(anyhow!("too many warnings"))
-    }
+    if self.warnings.len() >= MAX_WARNINGS { throw!(TooManyWarnings) }
     self.warnings.push(e.to_string());
   }
 }