[Python-ideas] Multi-line comment blocks.
gatesda at gmail.com
Sat Jun 16 00:47:12 CEST 2012
My proposal wasn't for people who hand-code the single-line comment syntax
but for those that use multi-line string comments. Since the multi-line
string hack's BDFL-approved, people will use it and other people will have
to deal with it.
The best alternative would be official discouragement of multi-line string
comments. It's fine if Python doesn't have an officially-sanctioned
multi-line comment syntax, but if it's going to have one, it should have
one that makes sense.
On Fri, Jun 15, 2012 at 4:12 PM, Steven D'Aprano <steve at pearwood.info>wrote:
> David Gates wrote:
>> Multi-line strings as comments don't nest, don't play well with
>> and are counter-intuitive when there's special language support for
>> single-line comments. Python should only have one obvious way to do
> That's not what the Zen says. The zen says:
> There should be one-- and preferably only one --obvious way to do it.
> which is a positive statement that there should be an obvious way to solve
> problems, NOT a negative statement that there shouldn't be non-obvious ways.
> and Python has two ways to comment, only one of which is obvious. My
>> suggestion is to add language support for comment blocks, using Python's
>> existing comment delimiter:
> There is already support for nested multi-line comments: the humble #
> symbol can be nested arbitrarily deep. All you need is a modern editor that
> understands Python syntax, and with a single command you can comment or
> uncomment a block:
> # This is a commented line.
> # def fun(a, b, c):
> # """Docstrings are fine when commented"""
> # pass
> # # This is a nested comment.
> # And no need for an end-delimiter either.
> If your editor is old or too basic, you can do it by hand, which is a
> pain, but doable.
> Python doesn't need dedicated syntax to make up for the limitations of
> your editor. Don't complicate the language for the sake of those poor fools
> stuck using Notepad.
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