Rework wait primitive to condvar

sbp/src/utils.rs

@@ -53,6 +53,16 @@ impl<T> Direction<T> {
             east: (self.east, other.east),
         }
     }
+
+    /// Flips all direction through origo
+    pub fn opposite(self) -> Self {
+        Self {
+            north: self.south,
+            south: self.north,
+            east: self.west,
+            west: self.east,
+        }
+    }
 }
 
 impl<T> Direction<Option<T>> {
@@ -96,6 +106,15 @@ impl<T> Direction<T> {
     }
 }
 
+impl Direction<bool> {
+    pub fn all(&self) -> bool {
+        self.north && self.south && self.east && self.west
+    }
+    pub fn any(&self) -> bool {
+        self.north || self.south || self.east || self.west
+    }
+}
+
 /// Linearly spaced parameters, apart from the boundaries which
 /// only have a distance of `h/2` from the boundary
 pub fn h2linspace(start: Float, end: Float, n: usize) -> ndarray::Array1<Float> {