Comment (computer programming)
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In Bird-style you have to leave a blank before the code.
> fact :: Integer -> Integer
> fact 0 = 1
> fact (n+1) = (n+1) * fact n
And you have to leave a blank line after the code as well.
Literate programming can also be accomplished via LaTeX. Example of a definition:
\usepackage{verbatim}
\newenvironment{code}{\verbatim}{\endverbatim}
Used as follows:
% the LaTeX source file
The \verb|fact n| function call computes $n!$ if $n\ge 0$, here is a definition:\\
\begin{code}
fact :: Integer -> Integer
fact 0 = 1
fact (n+1) = (n+1) * fact n
\end{code}
Here more explanation using \LaTeX{} markup
Block in Lua
--[[A multi-line
long comment
]]
Block in SQL