1 files changed, 31 insertions, 0 deletions
diff --git a/src/backend/dialoguer.rs b/src/backend/dialoguer.rs
index 6689250..11d5349 100644
--- a/src/backend/dialoguer.rs
+++ b/src/backend/dialoguer.rs
@@ -1,5 +1,7 @@
 use crate::Backend;
 use crate::ValueBuilder;
+use crate::BuildableValue;
+use crate::CollectionBuilder;
 
 pub struct DialoguerBackend;
 
@@ -80,6 +82,12 @@ impl Backend for DialoguerBackend {
         Box::new(DialoguerValueBuilder::<String>(std::marker::PhantomData))
     }
 
+    fn vec_builder<T>(&self) -> Box<dyn CollectionBuilder<Output = Vec<T>, Error = Self::Error>>
+        where T: 'static + BuildableValue
+    {
+        Box::new(DialoguerVecBuilder::<T>(std::marker::PhantomData))
+    }
+
 }
 
 pub struct DialoguerValueBuilder<T: Sized>(std::marker::PhantomData<T>);
@@ -99,3 +107,26 @@ impl<T> ValueBuilder for DialoguerValueBuilder<T>
 }
 
 
+pub struct DialoguerVecBuilder<T: 'static + BuildableValue>(std::marker::PhantomData<T>);
+impl<T> CollectionBuilder for DialoguerVecBuilder<T>
+    where T: 'static + BuildableValue
+{
+    type Output = Vec<T>;
+    type Error = DialoguerBackendError;
+
+    fn build_collection(&self, value_desc: &str) -> Result<Self::Output, Self::Error> {
+        let mut buf = vec![];
+
+        loop {
+            let v: T = T::builder(DialoguerBackend).build_value(value_desc)?;
+            buf.push(v);
+
+            if !dialoguer::Input::<bool>::new().with_prompt("Another one?").interact_text()? {
+                break
+            }
+        }
+
+        Ok(buf)
+    }
+}
+