是否有 OCaml 的增量构建之类的东西?

Is there such thing as incremental build for OCaml?

是否有任何工具可用于获取像 Eclipse/IntelliJ/Visual Studio 中那样的增量构建?

是的,它被称为OCaml Merlin. It supports incremental type-checking, IntelliSense-like completion, and code navigation. It works with Emacs, Vim out of the box, and third party extensions provide support for Sublime and Visual Studio Code

可以通过 OPAM 包管理器轻松安装 Merlin:

opam install merlin