add FromIterator for BoltType (#235)

Author: luca-iachini

lib/src/convert.rs

@@ -305,6 +305,14 @@ impl<A: Into<BoltType> + Clone> From<Vec<A>> for BoltType {
     }
 }
 
+impl<T: Into<BoltType>> FromIterator<T> for BoltType {
+    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
+        BoltType::List(BoltList {
+            value: iter.into_iter().map(Into::into).collect(),
+        })
+    }
+}
+
 impl<A: Into<BoltType> + Clone> From<&[A]> for BoltType {
     fn from(value: &[A]) -> Self {
         BoltType::List(BoltList {
@@ -617,4 +625,19 @@ mod tests {
             })
         );
     }
+
+    #[test]
+    fn convert_from_iterator() {
+        let value: Vec<i64> = vec![42, 1337];
+        let value: BoltType = value.into_iter().collect();
+        assert_eq!(
+            value,
+            BoltType::List(BoltList {
+                value: vec![
+                    BoltType::Integer(BoltInteger::new(42)),
+                    BoltType::Integer(BoltInteger::new(1337)),
+                ],
+            })
+        );
+    }
 }

lib/src/types/list.rs

@@ -62,6 +62,14 @@ impl IntoIterator for BoltList {
     }
 }
 
+impl<T: Into<BoltType>> FromIterator<T> for BoltList {
+    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
+        BoltList {
+            value: iter.into_iter().map(Into::into).collect(),
+        }
+    }
+}
+
 impl From<BoltList> for Vec<String> {
     fn from(value: BoltList) -> Self {
         value.value.into_iter().map(|x| x.to_string()).collect()