use CounterUnit::new instead of a pub member

1 files changed, 7 insertions, 1 deletions

diff --git a/libimagcounter/src/counter.rs b/libimagcounter/src/counter.rs
index f0ccc217..baba38a4 100644
--- a/libimagcounter/src/counter.rs
+++ b/libimagcounter/src/counter.rs
@@ -21,7 +21,7 @@ use error::CounterErrorKind as CEK;
 pub type CounterName = String;
 
 #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
-pub struct CounterUnit(pub String);
+pub struct CounterUnit(String);
 
 impl Display for CounterUnit {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -29,6 +29,12 @@ impl Display for CounterUnit {
     }
 }
 
+impl CounterUnit {
+    pub fn new<S: Into<String>>(unit: S) -> CounterUnit {
+        CounterUnit(unit.into())
+    }
+}
+
 pub struct Counter<'a> {
     fle: FileLockEntry<'a>,
 }