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April 22, 2014 [Issue 11706] Alias to the original type inside std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 --- Comment #1 from bearophile_hugs@eml.cc --- An alternative solution is to use something in std.traits to get the underlying type of a Typedef. -- |
April 24, 2014 [Issue 11706] Alias to the original type inside std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 Andrej Mitrovic <andrej.mitrovich@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |andrej.mitrovich@gmail.com --- Comment #2 from Andrej Mitrovic <andrej.mitrovich@gmail.com> --- (In reply to bearophile_hugs from comment #1) > An alternative solution is to use something in std.traits to get the underlying type of a Typedef. That's a fantastic idea, and we can implement this thanks to recent compiler improvements. A pull is coming. -- |
April 24, 2014 [Issue 11706] std.traits.OriginalType should support std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 Andrej Mitrovic <andrej.mitrovich@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |pull Assignee|nobody@puremagic.com |andrej.mitrovich@gmail.com Summary|Alias to the original type |std.traits.OriginalType |inside std.typecons.Typedef |should support | |std.typecons.Typedef --- Comment #3 from Andrej Mitrovic <andrej.mitrovich@gmail.com> --- https://github.com/D-Programming-Language/phobos/pull/2116 -- |
April 24, 2014 [Issue 11706] std.traits.OriginalType should support std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 --- Comment #4 from bearophile_hugs@eml.cc --- (In reply to Andrej Mitrovic from comment #3) > https://github.com/D-Programming-Language/phobos/pull/2116 Thank you. But: > // safely cast to get the value that's being wrapped > int x = cast(OriginalType!MyInt)myInt; casts are not safe. That example is not good. Safer and shorter: int x = myInt.get; -- |
April 24, 2014 [Issue 11706] std.traits.OriginalType should support std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 --- Comment #5 from Andrej Mitrovic <andrej.mitrovich@gmail.com> --- (In reply to bearophile_hugs from comment #4) > (In reply to Andrej Mitrovic from comment #3) > > https://github.com/D-Programming-Language/phobos/pull/2116 > > Thank you. But: > > > // safely cast to get the value that's being wrapped > > int x = cast(OriginalType!MyInt)myInt; > > casts are not safe. That example is not good. > > Safer and shorter: > > int x = myInt.get; That's not safer if 'myInt' is a UDT that happens to define get(). You may end up calling a function that returns something else entirely. -- |
April 24, 2014 [Issue 11706] std.traits.OriginalType should support std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 --- Comment #6 from bearophile_hugs@eml.cc --- (In reply to Andrej Mitrovic from comment #5) > That's not safer if 'myInt' is a UDT that happens to define get(). You may end up calling a function that returns something else entirely. Right, sorry, see my comments in Issue 12597 -- |
April 24, 2014 [Issue 11706] Add a TypedefType trait to extract the underlying type of a std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 Andrej Mitrovic <andrej.mitrovich@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|std.traits.OriginalType |Add a TypedefType trait to |should support |extract the underlying type |std.typecons.Typedef |of a std.typecons.Typedef -- |
September 08, 2014 [Issue 11706] Add a TypedefType trait to extract the underlying type of a std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 github-bugzilla@puremagic.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED -- |
September 08, 2014 [Issue 11706] Add a TypedefType trait to extract the underlying type of a std.typecons.Typedef | ||||
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https://issues.dlang.org/show_bug.cgi?id=11706 --- Comment #7 from github-bugzilla@puremagic.com --- Commits pushed to master at https://github.com/D-Programming-Language/phobos https://github.com/D-Programming-Language/phobos/commit/f9048c94ef834b683b1ce30f5722c9e0969cdf74 Fix Issue 11706 - Add a TypedefType trait to extract the underlying type of a std.typecons.Typedef. https://github.com/D-Programming-Language/phobos/commit/bf8d579d590bc89d9a7462cbc366fc97665e4a73 Merge pull request #2116 from AndrejMitrovic/Fix11706 Issue 11706 - Add a TypedefType trait to extract the underlying type of a std.typecons.Typedef -- |
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