stable by default, remove exception module, add SCB.vect_active, ..

tweak Exception enum to match CMSIS names, document the parts of the API that require opting into
`"inline-asm"`.

1 files changed, 7 insertions, 4 deletions

diff --git a/src/macros.rs b/src/macros.rs
index 7bbc9be..e41cdc5 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -63,16 +63,19 @@ macro_rules! singleton {
                 let expr = $expr;
 
                 #[allow(unsafe_code)]
-                unsafe { VAR = Some(expr) }
+                unsafe {
+                    VAR = Some(expr)
+                }
 
                 #[allow(unsafe_code)]
-                unsafe { VAR.as_mut() }
+                unsafe {
+                    VAR.as_mut()
+                }
             }
         })
-    }
+    };
 }
 
-
 /// ``` compile_fail
 /// #[macro_use(singleton)]
 /// extern crate cortex_m;