String reboot - (1a) incidental whitespace

Wed Apr 10 21:52:39 UTC 2019

It's more or less the javadoc approach no ? 

Rémi 

> De: "Guy Steele" <guy.steele at oracle.com>
> À: "Brian Goetz" <brian.goetz at oracle.com>
> Cc: "amber-spec-experts" <amber-spec-experts at openjdk.java.net>
> Envoyé: Mercredi 10 Avril 2019 23:36:34
> Objet: Re: String reboot - (1a) incidental whitespace

>> On Apr 10, 2019, at 4:54 PM, Brian Goetz < [ mailto:brian.goetz at oracle.com |
>> brian.goetz at oracle.com ] > wrote:

>> This is a plateful!

>> Stripping "incidental" whitespace is an attractive target of opportunity; the
>> real question is, can we do it right enough of the time, and when we get it
>> wrong, is there an easy way for the user to recover and get what they want?

>> Kevin described this as: "find the magic rectangle"; that there should be a
>> rectangle enclosing the snippet that sets apart the incidental whitespace from
>> the essential. In your examples, most of the time, the magic rectangle is,
>> well, the actual rectangle in your text.

>>> Examples;

>>> String a = """
>>> +--------+
>>> | text |
>>> +--------+
>>> """; // first characters in first column?

> Which suggests yet another approach to multiline string literals:

> String a = “””””””””””””””””””””””””””””””””””””””
> “A rectangle of double quotes "
> “ can enclose any arbitrary text “
> “ with any desired indentation, “
> “ and you can assume any trailing “
> “ whitespace on each line will be “
> “ removed and that each line will “
> “ end with a [ smb://n/ | \\n ] . “
> “ “
> “So all you need is IDE support for “
> “ making nice rectangles. “
> “””””””””””””””””””””””””””””””””””””””;

> String result = “”””””””””””””””””””””””””””””””””””””””””””””””
> “public class Main { “
> “ public static void main(String... args) { “
> “ System.out.println("Hello World!”); “
> “ } “
> “} “
> “”””””””””””””””””””””””””””””””””””””””””””””””;

> String html = “””””””””””””””””””””””””””””””””””””””””””””””
> “<html> “
> “ <body style=\"width: 100vw\”> “
> “ <p>Hello World.</p> “
> “ </body> “
> “ <script>console.log(\"\\nloaded\")</script>”
> “</html> “
> “””””””””””””””””””””””””””””””””””””””””””””””;
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