Uniform function call syntax: Difference between revisions

Revision as of 14:58, 11 June 2024

Revision as of 23:06, 13 September 2024

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== C++ proposal ==

Proposals for a unification of member function and free function calling syntax have been discussed from the early years of [[C++]] standardization. Glassborow (2004) proposed a Uniform Calling Syntax (UCS), allowing specially annotated free functions to be called with member function notation.<ref>{{cite web|title=N1585: Uniform Calling Syntax (Re-opening public interfaces)|author=Francis Glassborow|date=2 May 2004|url=http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1585.pdf|accessdate=17 December 2018}}</ref>

In 2016 it has been proposed a second time for addition to C++ by [[Bjarne Stroustrup]]<ref>{{cite web|title="UFCS proposal"|url=http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4174.pdf|website=Open-std.org|accessdate=1 October 2017}}</ref> and [[Herb Sutter]],<ref name="auto"/> to reduce the ambiguous decision between writing [[FreeFunction function(computer programming)#C and C++|free functions]] and member functions, to simplify the writing of [[generic programming|templated code]]. Many programmers are tempted to write member functions to get the benefits of the member function syntax (e.g. "[[dot-autocomplete]]" to list [[member function]]s);<ref>{{cite web|title=using intellisense|url=https://msdn.microsoft.com/en-us/library/hcw1s69b.aspx|website=Msdn.microsoft.com|accessdate=1 October 2017}}</ref> however, this leads to excessive [[Coupling (computer programming)|coupling]] between [[Class (computer programming)|classes]].<ref>{{cite web|title=How Non-Member Functions improve encapsulation|url=https://www.drdobbs.com/cpp/how-non-member-functions-improve-encapsu/184401197|website=Drdobbs.com|accessdate=1 October 2017}}</ref> This has again, in 2023, been proposed by Herb Sutter<ref>{{Cite web |last=Sutter |first=Herb |date=13 October 2023 |title=Unified function call syntax (UFCS) |url=https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p3021r0.pdf }}</ref> claiming new information and insights as well as an experimental implementation in the cppfront compiler.

== Rust usage of the term ==