1 files changed, 18 insertions, 0 deletions
diff --git a/lua/vim/userregs/impl/uuid_register.lua b/lua/vim/userregs/impl/uuid_register.lua
new file mode 100644
index 0000000..de45de1
--- /dev/null
+++ b/lua/vim/userregs/impl/uuid_register.lua
@@ -0,0 +1,18 @@
+local userregs = require("vim.userregs")
+
+local function generate_uuid()
+  local random = math.random
+  local template = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx"
+  return string.gsub(template, "[xy]", function(c)
+    local v = (c == "x") and random(0, 0xf) or random(8, 0xb)
+    return string.format("%x", v)
+  end)
+end
+
+userregs.register_handler("\21", { -- Ctrl+U
+  put = function()
+    return generate_uuid()
+  end,
+  yank = nil,  -- read-only
+})
+