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Avoid implementing custom concurrency patterns when existing infrastructure is available. Before creating new debouncing, async/await, or parallel execution code, check if suitable implementations already exist in the codebase.

For example, instead of implementing a custom debounce function:

local function debunce(f, timeout)
  local timer = nil
  return function(...)
    local args = { ... }
    if timer then
      vim.uv.timer_stop(timer)
      timer:close()
      timer = nil
    end
    timer = assert(vim.uv.new_timer())
    vim.uv.timer_start(timer, timeout, 0, vim.schedule_wrap(function()
      if timer then
        vim.uv.timer_stop(timer)
        timer:close()
        timer = nil
      end
      f(unpack(args))
    end))
  end
end

Reuse existing debouncing infrastructure like next_debounce in lsp/_changetracking.lua. Similarly, prefer established async patterns like vim.async.await(3, vim.system, cmd, opts) over manual coroutine implementations.

This reduces code duplication, ensures consistent behavior across the codebase, and leverages battle-tested concurrency primitives that handle edge cases and performance optimizations.