1 files changed, 9 insertions, 36 deletions

diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index 62c8cbf71..ab9ed5080 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -9,8 +9,7 @@ use lsp_types::{
     TextDocumentIdentifier, TextEdit, WorkspaceEdit,
 };
 use ra_ide_api::{
-    AssistId, Cancelable, FileId, FilePosition, FileRange, FoldKind, Query, RangeInfo,
-    RunnableKind, Severity,
+    AssistId, Cancelable, FileId, FilePosition, FileRange, FoldKind, Query, RunnableKind, Severity,
 };
 use ra_prof::profile;
 use ra_syntax::{AstNode, SyntaxKind, TextRange, TextUnit};
@@ -21,7 +20,7 @@ use url_serde::Ser;
 
 use crate::{
     cargo_target_spec::{runnable_args, CargoTargetSpec},
-    conv::{to_location, to_location_link, Conv, ConvWith, MapConvWith, TryConvWith},
+    conv::{to_location, Conv, ConvWith, MapConvWith, TryConvWith, TryConvWithToVec},
     req::{self, Decoration},
     world::WorldSnapshot,
     LspError, Result,
@@ -263,19 +262,12 @@ pub fn handle_goto_definition(
     params: req::TextDocumentPositionParams,
 ) -> Result<Option<req::GotoDefinitionResponse>> {
     let position = params.try_conv_with(&world)?;
-    let line_index = world.analysis().file_line_index(position.file_id);
     let nav_info = match world.analysis().goto_definition(position)? {
         None => return Ok(None),
         Some(it) => it,
     };
-    let nav_range = nav_info.range;
-    let res = nav_info
-        .info
-        .into_iter()
-        .map(|nav| RangeInfo::new(nav_range, nav))
-        .map(|nav| to_location_link(&nav, &world, &line_index))
-        .collect::<Result<Vec<_>>>()?;
-    Ok(Some(res.into()))
+    let res = (position.file_id, nav_info).try_conv_with(&world)?;
+    Ok(Some(res))
 }
 
 pub fn handle_goto_implementation(
@@ -283,19 +275,12 @@ pub fn handle_goto_implementation(
     params: req::TextDocumentPositionParams,
 ) -> Result<Option<req::GotoImplementationResponse>> {
     let position = params.try_conv_with(&world)?;
-    let line_index = world.analysis().file_line_index(position.file_id);
     let nav_info = match world.analysis().goto_implementation(position)? {
         None => return Ok(None),
         Some(it) => it,
     };
-    let nav_range = nav_info.range;
-    let res = nav_info
-        .info
-        .into_iter()
-        .map(|nav| RangeInfo::new(nav_range, nav))
-        .map(|nav| to_location_link(&nav, &world, &line_index))
-        .collect::<Result<Vec<_>>>()?;
-    Ok(Some(res.into()))
+    let res = (position.file_id, nav_info).try_conv_with(&world)?;
+    Ok(Some(res))
 }
 
 pub fn handle_goto_type_definition(
@@ -303,19 +288,12 @@ pub fn handle_goto_type_definition(
     params: req::TextDocumentPositionParams,
 ) -> Result<Option<req::GotoTypeDefinitionResponse>> {
     let position = params.try_conv_with(&world)?;
-    let line_index = world.analysis().file_line_index(position.file_id);
     let nav_info = match world.analysis().goto_type_definition(position)? {
         None => return Ok(None),
         Some(it) => it,
     };
-    let nav_range = nav_info.range;
-    let res = nav_info
-        .info
-        .into_iter()
-        .map(|nav| RangeInfo::new(nav_range, nav))
-        .map(|nav| to_location_link(&nav, &world, &line_index))
-        .collect::<Result<Vec<_>>>()?;
-    Ok(Some(res.into()))
+    let res = (position.file_id, nav_info).try_conv_with(&world)?;
+    Ok(Some(res))
 }
 
 pub fn handle_parent_module(
@@ -323,12 +301,7 @@ pub fn handle_parent_module(
     params: req::TextDocumentPositionParams,
 ) -> Result<Vec<Location>> {
     let position = params.try_conv_with(&world)?;
-    world
-        .analysis()
-        .parent_module(position)?
-        .into_iter()
-        .map(|nav| nav.try_conv_with(&world))
-        .collect::<Result<Vec<_>>>()
+    world.analysis().parent_module(position)?.iter().try_conv_with_to_vec(&world)
 }
 
 pub fn handle_runnables(