Re: [RFC] [Discussion] Clone with

From: Date: Fri, 05 May 2023 15:31:28 +0000
Subject: Re: [RFC] [Discussion] Clone with
References: 1  Groups: php.internals 
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On Mon, 17 Apr 2023, Máté Kocsis wrote: > Hi Everyone, > > Quite some time after mentioning the "clone with" construct the first time > (at the end of the > > https://wiki.php.net/rfc/write_once_properties#run-time_behaviour > section), > finally I managed to create a working implementation for this feature which > would make it possible to properly modify readonly properties > while simplifying how we write "wither" methods: > https://wiki.php.net/rfc/clone_with | So far, all “clone with” examples introduced in the current RFC used | fixed property names which were referenced as identifiers followed by | a colon (:), while the values to be assigned were expressions. | | … | | both side of the assignment is an expression, separated by => I don't think there should be two syntaxes here. Either allow expressions on the left side of the ':' or always use '=>' and require a string on the LHS. The example already allows for using a string on the LHS in {"foo" => 1}, so I think that the most useful choice. I don't think in {PROPERTY_NAME => 1} , the LHS should be interpreted as the literal value PROPERTY_NAME, but only the value of that constant. cheers, Derick

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