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Re: Order of member initialization [message #58895 is a reply to message #58889]

Fri, 23 September 2022 00:26

peterh is currently offline

peterh
Messages: 108
Registered: November 2018
Location: Germany

Experienced Member

[/quote]

with inherited classes, that's what I thought too (that it proceeded left to right), but I didn't check.

https://en.cppreference.com/w/cpp/language/eval_order

Looks like they call them sequence points and they proceed in order - here's initialization lists:

Quote:

10) In list-initialization, every value computation and side effect of a given initializer clause is sequenced before every value computation and side effect associated with any initializer clause that follows it in the brace-enclosed comma-separated list of initializers.

Oh my god, I am german spoken and this is hard to understand in english.
The DeepL transator, (which is usually very good) makes it completely confused.

I hope this translates to this semantically:
1) A sequence point is a finalizing point where all preceding calculations and initializations are completely processed.
2) An initializer list is strictly evaluated from left to right, and each bracketed,comma separated initializer term ends with a sequencing point.

I hope I am not in error ; (I hope and assume this, because it makes some sense for me)

[Updated on: Fri, 23 September 2022 00:58]

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[Message index]

		Order of member initialization By: Tom1 on Tue, 20 September 2022 11:19
		Re: Order of member initialization By: Tom1 on Tue, 20 September 2022 13:29
		Re: Order of member initialization By: peterh on Tue, 20 September 2022 15:19
		Re: Order of member initialization By: peterh on Tue, 20 September 2022 16:47
		Re: Order of member initialization By: Tom1 on Tue, 20 September 2022 17:05
		Re: Order of member initialization By: jjacksonRIAB on Tue, 20 September 2022 17:06
		Re: Order of member initialization By: peterh on Tue, 20 September 2022 17:48
		Re: Order of member initialization By: jjacksonRIAB on Tue, 20 September 2022 18:27
		Re: Order of member initialization By: peterh on Tue, 20 September 2022 22:59
		Re: Order of member initialization By: Tom1 on Wed, 21 September 2022 09:55
		Re: Order of member initialization By: peterh on Wed, 21 September 2022 11:49
		Re: Order of member initialization By: peterh on Wed, 21 September 2022 12:37
		Re: Order of member initialization By: peterh on Wed, 21 September 2022 15:11
		Re: Order of member initialization By: jjacksonRIAB on Wed, 21 September 2022 19:00
		Re: Order of member initialization By: peterh on Fri, 23 September 2022 00:26
		Re: Order of member initialization By: jjacksonRIAB on Fri, 23 September 2022 00:53
		Re: Order of member initialization By: peterh on Fri, 23 September 2022 01:13
		Re: Order of member initialization By: jjacksonRIAB on Fri, 23 September 2022 01:22
		Re: Order of member initialization By: peterh on Fri, 23 September 2022 01:33
		Re: Order of member initialization By: jjacksonRIAB on Wed, 21 September 2022 17:42

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