From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 4 May 2022 19:08:52 +0000 (+0100)
Subject: size handling: Make OutlineOccultable return type Copy
X-Git-Tag: otter-1.1.0~294
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=939b82fd983f4e2fd0df92ce3cf324641933c7f1;p=otter.git

size handling: Make OutlineOccultable return type Copy

It is.  Declare it, so we can reuse it nicely.

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

diff --git a/src/shapelib.rs b/src/shapelib.rs
index 0521bbca..4bedf3c3 100644
--- a/src/shapelib.rs
+++ b/src/shapelib.rs
@@ -221,7 +221,7 @@ impl<T> SvgBaseName<T> where T: Borrow<GoodItemName> {
 }
 
 impl OutlineCalculable {
-  pub fn err_mapper(&self) -> impl Fn(LLE) -> IE {
+  pub fn err_mapper(&self) -> impl Fn(LLE) -> IE + Copy {
     |e| internal_logic_error(format!(
       "outline calculable but failed {} {:?}",&e,&e
     ))