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Subject: Re: [std-proposals] Variadic function template equivalents for operator overloading
From: Phil Endecott (std_proposals_list_at_[hidden])
Date: 2021-05-04 12:48:39


Avi Kivity wrote:
> On 04/05/2021 20.36, Phil Endecott via Std-Proposals wrote:
>> Yes, I'm aware of that. The rationale that I've seen does not
>> say much about a preference for variadic function syntax vs.
>> operator-overloading. There is mention of "chevron hell" in the
>> {fmt} library's github page. The introduction to the <format>
>> paper P0645R10 says "printf offers some advantages, such as an
>> arguably more natural function call API" (which I interpret as
>> meaning arguably more natural than chained operator overloading).
>> I'm curious as to what the committee thought - if anything -
>> about this aspect when <format> was being considered.
>
> Since they adopted the proposal, it appears they agree that the
> function-call syntax is more natural than chaining.

But C++20 also added the new chained operator| for ranges, so I don't
think it's clear what the preferred style is.

(Are there any other examples?)

Regards, Phil.


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