1 files changed, 18 insertions, 1 deletions

diff --git a/crates/ra_ide/src/lib.rs b/crates/ra_ide/src/lib.rs
index 5599f143f..ddaa30a16 100644
--- a/crates/ra_ide/src/lib.rs
+++ b/crates/ra_ide/src/lib.rs
@@ -67,7 +67,9 @@ use crate::display::ToNav;
 pub use crate::{
     assists::{Assist, AssistId},
     call_hierarchy::CallItem,
-    completion::{CompletionConfig, CompletionItem, CompletionItemKind, InsertTextFormat},
+    completion::{
+        CompletionConfig, CompletionItem, CompletionItemKind, CompletionScore, InsertTextFormat,
+    },
     diagnostics::Severity,
     display::{file_structure, FunctionSignature, NavigationTarget, StructureNode},
     expand_macro::ExpandedMacro,
@@ -127,6 +129,21 @@ pub struct CallInfo {
     pub active_parameter: Option<usize>,
 }
 
+impl CallInfo {
+    pub fn active_parameter_type(&self) -> Option<String> {
+        if let Some(id) = self.active_parameter {
+            return self.signature.parameter_types.get(id).map(|param_ty| param_ty.clone());
+        }
+        None
+    }
+    pub fn active_parameter_name(&self) -> Option<String> {
+        if let Some(id) = self.active_parameter {
+            return self.signature.parameter_names.get(id).map(|param_ty| param_ty.clone());
+        }
+        None
+    }
+}
+
 /// `AnalysisHost` stores the current state of the world.
 #[derive(Debug)]
 pub struct AnalysisHost {