功能测试

TOC

h3

h4

h5

another h4

LaTeX

\[\int_{0}^{1}\!x^{-x} \mathrm{d}x = \sum_{n=1}^{\infty}n^{-n}\]

\(\int_{0}^{+\infty}\!\sin(x^2) \mathrm{d}x = \sqrt{\frac{\pi}{8}}\)

\[\mathit{mathit} \quad \mathrm{mathrm} \quad \mathcal{mathcal} \quad \mathscr{mathscr} \quad \mathbb{mathbb} \quad \mathfrak{mathfrak}\]

\[\mathit{MATHIT} \quad \mathrm{MATHRM} \quad \mathcal{MATHCAL} \quad \mathscr{MATHSCR} \quad \mathbb{MATHBB} \quad \mathfrak{MATHFRAK}\]

\[\mathit{01234} \quad \mathrm{56789} \quad \mathcal{01234} \quad \mathscr{56789} \quad \mathbb{01234} \quad \mathfrak{56789}\]

\[2.71828\,18284\,59045\,23536\,02874\,71352\,66249\,77572\,47093\,69995\,95749\,66967\,62772\,40766\,30353\,54759\,45713\,82178\,52516\,64274\]

代码块

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(* take first n elements from list xs *)
let take n xs =
  let rec take_impl acc n xs = match (n, xs) with
    | (0, _) -> acc
    | (_, []) -> acc
    | (n, x::xs) -> take_impl (x::acc) (n-1) xs
  in List.rev (take_impl [] n xs)

(* drop first n elements from list xs *)
let rec drop n xs = match (n, xs) with
  | (_, []) -> []
  | (0, xs) -> xs
  | (n, _::xs) -> drop (n-1) xs

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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Mermaid 图

sequenceDiagram
    Alice->>John: Hello John, how are you?
    John-->>Alice: Great!
    Alice-)John: See you later!

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