1 files changed, 9 insertions, 1 deletions
diff --git a/svgbob/src/focus_char.rs b/svgbob/src/focus_char.rs
index d894547..cb9fde6 100644
--- a/svgbob/src/focus_char.rs
+++ b/svgbob/src/focus_char.rs
@@ -245,7 +245,7 @@ impl<'g> FocusChar<'g> {
         (elements)
     }
 
-    pub fn is_satisfied(&self, can: &Can) -> bool {
+    fn is_satisfied(&self, can: &Can) -> bool {
         match *can {
             ConnectTo(ref cond_block, ref signal) => {
                 self.can_block_pass_connect(&cond_block, signal)
@@ -269,6 +269,8 @@ impl<'g> FocusChar<'g> {
         }
     }
 
+    /// check if this block can be a strong block
+    /// when applying the intesifier
     fn can_be_strong_block(&self, block: &Block) -> bool {
         if self.is_strong_block(block) {
             true
@@ -279,6 +281,12 @@ impl<'g> FocusChar<'g> {
         }
     }
 
+    /// check if each blocks in the vectors can be strong when
+    /// applying the intesifiers
+    pub fn can_be_strong_all_blocks(&self, blocks: Vec<Block>) -> bool{
+        blocks.iter().all(|b| self.can_be_strong_block(b))
+    }
+
     fn is_strong_block(&self, block: &Block) -> bool {
         let character: Option<Characteristic> = self.ch.get_characteristic();
         if let Some(character) = character {