Use parking_lot::const_recursive_mutex instead of lazy_static

Cargo.toml

@@ -19,7 +19,6 @@ bitflags = "1.0"
 glium = { version = "0.28", default-features = false, optional = true }
 gfx = { version = "0.18", optional = true }
 imgui-sys = { version = "0.6.0", path = "imgui-sys" }
-lazy_static = "1.1"
 parking_lot = "0.11"
 
 [features]

imgui-examples/Cargo.lock

@@ -615,7 +615,6 @@ dependencies = [
  "bitflags",
  "glium",
  "imgui-sys",
- "lazy_static",
  "parking_lot",
 ]
 

src/context.rs

@@ -59,11 +59,9 @@ pub struct Context {
     clipboard_ctx: Option<Box<ClipboardContext>>,
 }
 
-lazy_static! {
-    // This mutex needs to be used to guard all public functions that can affect the underlying
-    // Dear ImGui active context
-    static ref CTX_MUTEX: ReentrantMutex<()> = ReentrantMutex::new(());
-}
+// This mutex needs to be used to guard all public functions that can affect the underlying
+// Dear ImGui active context
+static CTX_MUTEX: ReentrantMutex<()> = parking_lot::const_reentrant_mutex(());
 
 fn clear_current_context() {
     unsafe {

src/lib.rs

@@ -1,6 +1,4 @@
 pub extern crate imgui_sys as sys;
-#[macro_use]
-extern crate lazy_static;
 
 use std::cell;
 use std::ffi::CStr;

src/test.rs

@@ -3,9 +3,7 @@ use std::ptr;
 
 use crate::context::Context;
 
-lazy_static! {
-    pub static ref TEST_MUTEX: ReentrantMutex<()> = ReentrantMutex::new(());
-}
+pub static TEST_MUTEX: ReentrantMutex<()> = parking_lot::const_reentrant_mutex(());
 
 pub fn test_ctx() -> (ReentrantMutexGuard<'static, ()>, Context) {
     let guard = TEST_MUTEX.lock();