Single line comments

The characters

//

or

\\

start a comment, which terminates immediately before the next new-line character.
The characters

\\

are intended to continue a comment from the previous line (example).

Multi-line and inline comments

The characters

\(

,

\[

,

\{

or

\‘

start a comment, which terminates with the corresponding character

)

,

]

,

}

or

’

. These comments can be nested.

\(
this_function_call_is_commented_out()

// Nested comment:
\(
// Please balance all parentheses in your source code:
I ch == "(" // )
   ...
) // end of nested comment
)
this_function_call_is_not_commented_out()

[Balancing of all character pairs

()

,

[]

,

{}

and

‘’

is recommended not only for this 11l-style comments to work correctly, but also for correct highlighting of matching parentheses/brackets/braces in the source code editors.]

When commenting a lot of code, you can use extra brackets to notice end of comment better:

\[[[
... a lot of code ...
]]]