.config/nvim/after/plugin/dap.lua

vim.keymap.set('n', '<leader>b', function() require('dap').toggle_breakpoint() end)
vim.keymap.set('n', '<F5>', function() require('dap').continue() end)
vim.keymap.set('n', '<F10>', function() require('dap').step_over() end)
vim.keymap.set('n', '<F11>', function() require('dap').step_into() end)
vim.keymap.set('n', '<F12>', function() require('dap').step_out() end)

require('dap').adapters.lldb = {
	type = 'executable',
	command = '/usr/bin/lldb-vscode', -- adjust as needed
	name = 'lldb',
}

local lldb = {
	name = 'Launch lldb',
	type = 'lldb', -- matches the adapter
	request = 'launch', -- could also attach to a currently running process
	program = function()
		return vim.fn.input(
			'Path to executable: ',
			vim.fn.getcwd() .. '/target/debug/',
			'file'
		)
	end,
	cwd = '${workspaceFolder}',
	stopOnEntry = false,
	args = {},
	runInTerminal = false,
}

require('dap').configurations.rust = {
	lldb -- different debuggers or more configurations can be used here
}

require("dapui").setup()
local dap, dapui = require("dap"), require("dapui")
dap.listeners.after.event_initialized["dapui_config"] = function()
  dapui.open()
end
dap.listeners.before.event_terminated["dapui_config"] = function()
  dapui.close()
end
dap.listeners.before.event_exited["dapui_config"] = function()
  dapui.close()
end