Change: use just filter, simpler

1 files changed, 1 insertions, 2 deletions

diff --git a/src/roadmap.rs b/src/roadmap.rs
index 78512b2..778aa2f 100644
--- a/src/roadmap.rs
+++ b/src/roadmap.rs
@@ -20,8 +20,7 @@ impl Roadmap {
     pub fn count_goals(&self) -> usize {
         self.steps
             .iter()
-            .map(|step| self.is_goal(step))
-            .filter(|b| *b)
+            .filter(|step| self.is_goal(step))
             .count()
     }