Digest for comp.lang.c++@googlegroups.com - 3 updates in 3 topics

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• Data Types - 1 Update
• Simple Program from 2.3.2 of Stroustrup 3/e - 1 Update
• Simple Program from 2.3.2 of Stroustrup 3/e - 1 Update

Data Types

Chris Vine <chris@cvine--nospam--.freeserve.co.uk>: Jan 17 09:10PM On Tue, 16 Jan 2018 20:21:01 -0600 > Auto will not work for function arguments.   Unless its a lambda expression.

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Simple Program from 2.3.2 of Stroustrup 3/e

Gareth Owen <gwowen@gmail.com>: Jan 17 09:47PM > How often have you seen code which modifies a value parameter?   Very occasionally in things like   void do_something_n_times(int n) { while(n--) { do_something_once(); } }

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Simple Program from 2.3.2 of Stroustrup 3/e

ram@zedat.fu-berlin.de (Stefan Ram): Jan 16 11:58PM >precisely the same reason, I declare them const according to the same >policy I use for other local variables: they are const by default unless >I plan to modify them.   "Use const whenever possible."   Scott Meyers   "Use const to define objects with values that do not change after construction "   C++ Core Guideline; April 7, 2016; Bjarne Stroustrup and Herb Sutter

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