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Newsgroups: comp.lang.ruby
Date: Tue, 10 May 2022 09:44:20 -0700 (PDT)
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Subject: Re: question regarding syntax of #{rand()}
From: Sophia Ding <2027dings78@moundsviewschools.org>
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On Sunday, April 17, 2022 at 10:58:58 AM UTC-5, Benjamin L. Russell wrote:
> On Sat, 16 Apr 2022 16:21:56 +0200, Martin Klaiber=20
> <usenet.martinkl@gmx.de> wrote:=20
>=20
> >Here it works when using double-quotes instead of single:=20
> >=20
> >| puts "Did #{@damage} damage!"=20
> >=20
> >Proof:=20
> >=20
> >| martinkl@maurice:~/src/eigene/ruby$ ./guard_dog.rb=20
> >| Did 0 damage!=20
> >| martinkl@maurice:~/src/eigene/ruby$ ./guard_dog.rb=20
> >| Did 6 damage!=20
> >| martinkl@maurice:~/src/eigene/ruby$ ./guard_dog.rb=20
> >| Did 2 damage!=20
> >| martinkl@maurice:~/src/eigene/ruby$
> Ah, I see; according to p. 35 of the book,=20
>=20
> > Well, the #{} magic (called string interpolation if you=20
> > want to be super fancy) is possible only with=20
> > double-quoted strings; it can=E2=80=99t be done with=20
> > single-quoted ones.=20
>=20
> Apparently, I had better either differentiate more closely between=20
> single and double quotes when reading the book, or increase my intake=20
> of ginkgo biloba (which I have been too stingy to take recently) to=20
> increase my memory.=20
>=20
> Thank you for your response; issue resolved.
> --=20
> Benjamin L. Russell / DekuDekuplex at Yahoo dot com=20
> http://dekudekuplex.wordpress.com/=20
> Computer Science Document Proofreader/Editor=20
> "Furuike ya, kawazu tobikomu mizu no oto." -- Matsuo Basho^
IDK what who you are