From 1667b5cf52a8f2854c7299242820c951eab50f7a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 7 May 2019 20:54:33 +0300
Subject: switch to once_cell from lazy_static

---
 crates/ra_assists/Cargo.toml        |  2 +-
 crates/ra_assists/src/ast_editor.rs |  6 ++----
 crates/ra_prof/Cargo.toml           |  2 +-
 crates/ra_prof/src/lib.rs           | 27 +++++++++++++--------------
 4 files changed, 17 insertions(+), 20 deletions(-)

(limited to 'crates')

diff --git a/crates/ra_assists/Cargo.toml b/crates/ra_assists/Cargo.toml
index 29d9ceb59..5ddac1e48 100644
--- a/crates/ra_assists/Cargo.toml
+++ b/crates/ra_assists/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.0"
 authors = ["rust-analyzer developers"]
 
 [dependencies]
-lazy_static = "1.3.0"
+once_cell = "0.2.0"
 join_to_string = "0.1.3"
 itertools = "0.8.0"
 arrayvec = "0.4.10"
diff --git a/crates/ra_assists/src/ast_editor.rs b/crates/ra_assists/src/ast_editor.rs
index 726e5c0a3..aa7aeaabb 100644
--- a/crates/ra_assists/src/ast_editor.rs
+++ b/crates/ra_assists/src/ast_editor.rs
@@ -289,12 +289,10 @@ fn ast_node_from_file_text<N: AstNode>(text: &str) -> TreeArc<N> {
 }
 
 mod tokens {
-    use lazy_static::lazy_static;
+    use once_cell::sync::Lazy;
     use ra_syntax::{AstNode, SourceFile, TreeArc, SyntaxToken, SyntaxKind::*};
 
-    lazy_static! {
-        static ref SOURCE_FILE: TreeArc<SourceFile> = SourceFile::parse(",\n; ;");
-    }
+    static SOURCE_FILE: Lazy<TreeArc<SourceFile>> = Lazy::new(|| SourceFile::parse(",\n; ;"));
 
     pub(crate) fn comma() -> SyntaxToken<'static> {
         SOURCE_FILE
diff --git a/crates/ra_prof/Cargo.toml b/crates/ra_prof/Cargo.toml
index 19ce21783..5f23e865c 100644
--- a/crates/ra_prof/Cargo.toml
+++ b/crates/ra_prof/Cargo.toml
@@ -6,4 +6,4 @@ authors = ["rust-analyzer developers"]
 publish = false
 
 [dependencies]
-lazy_static = "1.3.0"
\ No newline at end of file
+once_cell = "0.2.0"
diff --git a/crates/ra_prof/src/lib.rs b/crates/ra_prof/src/lib.rs
index 9ecb8e744..e56446c9f 100644
--- a/crates/ra_prof/src/lib.rs
+++ b/crates/ra_prof/src/lib.rs
@@ -1,13 +1,14 @@
-use std::cell::RefCell;
-use std::time::{Duration, Instant};
-use std::mem;
-use std::io::{stderr, Write};
-use std::iter::repeat;
-use std::collections::{HashSet};
-use std::default::Default;
-use std::iter::FromIterator;
-use std::sync::{RwLock, atomic::{AtomicBool, Ordering}};
-use lazy_static::lazy_static;
+use std::{
+    cell::RefCell,
+    time::{Duration, Instant},
+    mem,
+    io::{stderr, Write},
+    iter::repeat,
+    collections::HashSet,
+    sync::{RwLock, atomic::{AtomicBool, Ordering}},
+};
+
+use once_cell::sync::Lazy;
 
 /// Set profiling filter. It specifies descriptions allowed to profile.
 /// This is helpful when call stack has too many nested profiling scopes.
@@ -21,7 +22,7 @@ use lazy_static::lazy_static;
 /// ```
 pub fn set_filter(f: Filter) {
     PROFILING_ENABLED.store(f.depth > 0, Ordering::SeqCst);
-    let set = HashSet::from_iter(f.allowed.iter().cloned());
+    let set: HashSet<_> = f.allowed.iter().cloned().collect();
     let mut old = FILTER.write().unwrap();
     let filter_data = FilterData {
         depth: f.depth,
@@ -161,9 +162,7 @@ struct FilterData {
 
 static PROFILING_ENABLED: AtomicBool = AtomicBool::new(false);
 
-lazy_static! {
-    static ref FILTER: RwLock<FilterData> = RwLock::new(Default::default());
-}
+static FILTER: Lazy<RwLock<FilterData>> = Lazy::new(Default::default);
 
 thread_local!(static PROFILE_STACK: RefCell<ProfileStack> = RefCell::new(ProfileStack::new()));
 
-- 
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