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[1394920051] << and >> for I/O

Anonymous Sun 16 Mar 2014 01:47:00 No.957784 View View Reply Original Report

Quoted By:

The use of << and >> for I/O came from Algol 68's "record transfer" extension.
http://archive.computerhistory.org/resources/text/algol/ACM_Algol_bulletin/1061601/p26-naur.pdf

Anonymous

2

Anonymous Sun 16 Mar 2014 10:41:00 No.957806 Report

Quoted By:

Nope sorry it was just Straußtrup trying to be clever+cute. Any claim elsewise is revisionism.

Anonymous

3

Anonymous Sun 16 Mar 2014 13:19:00 No.957811 Report

Quoted By:

But >> is used in any monad, not just in IO.

m >> k = m >>= (\_ -> k)

Anonymous

4

Anonymous Sun 16 Mar 2014 16:06:00 No.957817 Report

Quoted By:

>>2
>le pedophile sage

Anonymous

5

Anonymous Tue 18 Mar 2014 14:57:00 No.957958 Report

Quoted By:

Python 3.4 released, you now divide paths to concatenate them, because "it looks like a path separator".

Good job, Guido van Stroostruup!

Anonymous

6

Anonymous Tue 18 Mar 2014 17:16:00 No.957961 Report

Quoted By:

I never used bit wise operators much anyway.

Anonymous

7

Anonymous Fri 21 Mar 2014 01:44:00 No.958084 Report

Quoted By:

PRIO >> = 1, << = 1;
OP >> = (REF FILE f, SIMPLIN s)REF FILE: (get(f, s); f),
   << = (REF FILE f, SIMPLOUT s)REF FILE: (put(f, s); f);

Anonymous

8

Anonymous Fri 21 Mar 2014 17:42:00 No.958112 Report

Quoted By:

IO
not pure!

Anonymous

9

Anonymous Fri 21 Mar 2014 21:14:00 No.958118 Report

Quoted By:

>>8
At least it's explicit. Most languages don't have even that. In those languages every piece of code could do anything, from downloading child porn to launching nuclear missiles.

Anonymous

10

Anonymous Fri 21 Mar 2014 21:50:00 No.958120 Report

Quoted By:

>>9
downloading child porn to launching nuclear missiles
not pure!

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[1394920051] << and >> for I/O