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The standard library of the D programming language
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Now, member structs won't become const due to transitiveness and the code in `std.format` can choose (erroneously) non-cost toString() functions of member structs. An expert has to decide whether this is worth the breaking change. Now, code that uses `const` tuples and calls toString directly on them will break. Alternatively, we could use [Template this parameters](https://dlang.org/spec/template.html#template_this_parameter). That way, we get a template parameter with the real type of this. Then we can cast away constness of `this` when we now for certain that it isn't, since `is(T != typeof(this))` (where T is the template this parameter). Of course, this implies making toString `@trusted` too. This might also lead to unforeseen bugs when `const` is cast away but the member objects are actually const. I'm not sure how this works. Fwiw, currently std.format and `std.conv: to` already intercepts const tuples, thus it at least won't call toString directly. The breaking change will only effect code that calls toString on const tuples directly. That's why I have added non-prescritive tests. If something in std.format changes, they'll be alerted and can then decide whether to change the tests or whether this module also needs work, in case this would lead a bigger breaking change. Followup to #10645. |
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| CONTRIBUTING.md | ||
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| LICENSE_1_0.txt | ||
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Phobos Standard Library
Phobos is the standard library that comes with the D Programming Language Compiler.
Download
Phobos is packaged together with the compiler. You should download the whole precompiled package.
To build everything yourself, there is a description in the wiki.
Phobos is distributed under Boost Software Licence. See the licence file.
I Want to Contribute
Great! See the CONTRIBUTING.md file.