From 6b1f8ea4c0af881e9479d83e6670a84abf2f378c Mon Sep 17 00:00:00 2001
From: Danil Tarasov <thefedaikin@gmail.com>
Date: Tue, 7 Mar 2023 20:13:41 +0300
Subject: [PATCH 1/3] feat(inlay-hints): add inlay hints global state and
 toggle function

---
 lua/rust-tools/inlay_hints.lua | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/lua/rust-tools/inlay_hints.lua b/lua/rust-tools/inlay_hints.lua
index 0df31a1..19e895e 100644
--- a/lua/rust-tools/inlay_hints.lua
+++ b/lua/rust-tools/inlay_hints.lua
@@ -4,7 +4,7 @@ local M = {}
 
 function M.new()
   M.namespace = vim.api.nvim_create_namespace("textDocument/inlayHints")
-  local self = setmetatable({ cache = {}, enabled = false }, { __index = M })
+  local self = setmetatable({ cache = {} }, { __index = M })
 
   return self
 end
@@ -17,6 +17,7 @@ end
 -- Disable hints and clear all cached buffers
 function M.disable(self)
   self.disable = false
+  M.is_enabled = false
   M.disable_cache_autocmd()
 
   for k, _ in pairs(self.cache) do
@@ -34,11 +35,22 @@ end
 
 -- Enable auto hints and set hints for the current buffer
 function M.enable(self)
-  self.enabled = true
+  self.enable = false
+  M.is_enabled = true
   M.enable_cache_autocmd()
   set_all(self)
 end
 
+-- Toggles inlay hints state globally. Uses disable and enable internally
+function M.toggle(self)
+  if self.is_enabled then
+    M.disabled(self)
+  else
+    M.enable(self)
+  end
+  M.is_enabled = not M.is_enabled
+end
+
 -- Set inlay hints only for the current buffer
 function M.set(self)
   M.cache_render(self, 0)

From 560059b48d61733ad9680f0f6ec5b02fad57c8f8 Mon Sep 17 00:00:00 2001
From: Danil Tarasov <thefedaikin@gmail.com>
Date: Wed, 3 May 2023 16:18:23 +0300
Subject: [PATCH 2/3] feat(inlay-hints): fix implementation, improve
 documentation

---
 README.md                      | 3 +++
 lua/rust-tools/init.lua        | 4 ++++
 lua/rust-tools/inlay_hints.lua | 3 +--
 lua/rust-tools/lsp.lua         | 3 +++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 72f67a8..47c3d21 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@ rt.setup({
   -- Commands:
   -- RustEnableInlayHints
   -- RustDisableInlayHints
+  -- RustToggleInlayHints
   -- RustSetInlayHints
   -- RustUnsetInlayHints
 
@@ -85,6 +86,8 @@ rt.setup({
   require('rust-tools').inlay_hints.enable()
   -- Disable inlay hints auto update and unset them for all buffers
   require('rust-tools').inlay_hints.disable()
+  -- Toggle between enabled and disabled inlay hints states for all buffer
+  require('rust-tools').inlay_hints.toggle()
   ```
 </details>
 
diff --git a/lua/rust-tools/init.lua b/lua/rust-tools/init.lua
index ca07557..cbfe05e 100644
--- a/lua/rust-tools/init.lua
+++ b/lua/rust-tools/init.lua
@@ -11,6 +11,7 @@ local M = {
   inlay_hints = {
     enable = nil,
     disable = nil,
+    toggle = nil,
     set = nil,
     unset = nil,
     cache = nil,
@@ -82,6 +83,9 @@ function M.setup(opts)
     render = function()
       inlay.render(hints)
     end,
+    toggle = function()
+      inlay.toggle(hints)
+    end,
   }
 
   local join_lines = require("rust-tools.join_lines")
diff --git a/lua/rust-tools/inlay_hints.lua b/lua/rust-tools/inlay_hints.lua
index 19e895e..c270052 100644
--- a/lua/rust-tools/inlay_hints.lua
+++ b/lua/rust-tools/inlay_hints.lua
@@ -44,11 +44,10 @@ end
 -- Toggles inlay hints state globally. Uses disable and enable internally
 function M.toggle(self)
   if self.is_enabled then
-    M.disabled(self)
+    M.disable(self)
   else
     M.enable(self)
   end
-  M.is_enabled = not M.is_enabled
 end
 
 -- Set inlay hints only for the current buffer
diff --git a/lua/rust-tools/lsp.lua b/lua/rust-tools/lsp.lua
index 3288eeb..a2f2cdd 100644
--- a/lua/rust-tools/lsp.lua
+++ b/lua/rust-tools/lsp.lua
@@ -52,6 +52,9 @@ local function setup_commands()
     RustDisableInlayHints = {
       rt.inlay_hints.disable,
     },
+    RustToggleInlayHints = {
+      rt.inlay_hints.toggle,
+    },
     RustLastDebug = {
       rt.cached_commands.execute_last_debuggable,
     },

From acc304d1b9148b0a84f2255c961429f2ade7e059 Mon Sep 17 00:00:00 2001
From: Danil Tarasov <thefedaikin@gmail.com>
Date: Mon, 5 Jun 2023 03:31:53 +0300
Subject: [PATCH 3/3] feat(hints): remove useless variables to control toggle

---
 lua/rust-tools/inlay_hints.lua | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/lua/rust-tools/inlay_hints.lua b/lua/rust-tools/inlay_hints.lua
index c270052..bf73565 100644
--- a/lua/rust-tools/inlay_hints.lua
+++ b/lua/rust-tools/inlay_hints.lua
@@ -4,7 +4,7 @@ local M = {}
 
 function M.new()
   M.namespace = vim.api.nvim_create_namespace("textDocument/inlayHints")
-  local self = setmetatable({ cache = {} }, { __index = M })
+  local self = setmetatable({ cache = {}, enabled = false }, { __index = M })
 
   return self
 end
@@ -16,8 +16,7 @@ end
 
 -- Disable hints and clear all cached buffers
 function M.disable(self)
-  self.disable = false
-  M.is_enabled = false
+  self.enabled = false
   M.disable_cache_autocmd()
 
   for k, _ in pairs(self.cache) do
@@ -35,26 +34,20 @@ end
 
 -- Enable auto hints and set hints for the current buffer
 function M.enable(self)
-  self.enable = false
-  M.is_enabled = true
+  self.enabled = true
   M.enable_cache_autocmd()
   set_all(self)
 end
 
 -- Toggles inlay hints state globally. Uses disable and enable internally
 function M.toggle(self)
-  if self.is_enabled then
+  if self.enabled then
     M.disable(self)
   else
     M.enable(self)
   end
 end
 
--- Set inlay hints only for the current buffer
-function M.set(self)
-  M.cache_render(self, 0)
-end
-
 -- Clear hints only for the current buffer
 function M.unset()
   clear_ns(0)