From ddf2a8a948ed91bda14fef398c850c71c403ab59 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 9 Jan 2019 18:09:49 +0300
Subject: add completion detail

---
 crates/ra_ide_api/src/completion/completion_item.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'crates/ra_ide_api')

diff --git a/crates/ra_ide_api/src/completion/completion_item.rs b/crates/ra_ide_api/src/completion/completion_item.rs
index a25b87bee..d707a84ef 100644
--- a/crates/ra_ide_api/src/completion/completion_item.rs
+++ b/crates/ra_ide_api/src/completion/completion_item.rs
@@ -11,6 +11,7 @@ pub struct CompletionItem {
     /// completion.
     completion_kind: CompletionKind,
     label: String,
+    detail: Option<String>,
     lookup: Option<String>,
     snippet: Option<String>,
     kind: Option<CompletionItemKind>,
@@ -51,6 +52,7 @@ impl CompletionItem {
         Builder {
             completion_kind,
             label,
+            detail: None,
             lookup: None,
             snippet: None,
             kind: None,
@@ -60,6 +62,10 @@ impl CompletionItem {
     pub fn label(&self) -> &str {
         &self.label
     }
+    /// Short one-line additional information, like a type
+    pub fn detail(&self) -> Option<&str> {
+        self.detail.as_ref().map(|it| it.as_str())
+    }
     /// What string is used for filtering.
     pub fn lookup(&self) -> &str {
         self.lookup
@@ -87,6 +93,7 @@ impl CompletionItem {
 pub(crate) struct Builder {
     completion_kind: CompletionKind,
     label: String,
+    detail: Option<String>,
     lookup: Option<String>,
     snippet: Option<String>,
     kind: Option<CompletionItemKind>,
@@ -100,6 +107,7 @@ impl Builder {
     pub(crate) fn build(self) -> CompletionItem {
         CompletionItem {
             label: self.label,
+            detail: self.detail,
             lookup: self.lookup,
             snippet: self.snippet,
             kind: self.kind,
@@ -118,6 +126,10 @@ impl Builder {
         self.kind = Some(kind);
         self
     }
+    pub(crate) fn detail(mut self, detail: impl Into<String>) -> Builder {
+        self.detail = Some(detail.into());
+        self
+    }
     pub(super) fn from_resolution(
         mut self,
         ctx: &CompletionContext,
-- 
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