gh-149083: Convert dataclasses.MISSING and dataclasses.KW_ONLY to sentinels#149086
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JelleZijlstra wants to merge 1 commit intopython:mainfrom
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gh-149083: Convert dataclasses.MISSING and dataclasses.KW_ONLY to sentinels#149086JelleZijlstra wants to merge 1 commit intopython:mainfrom
JelleZijlstra wants to merge 1 commit intopython:mainfrom
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…to sentinels There were comments claiming these were implemented as custom classes to give a nicer repr(), but the repr() wasn't all that nice: >>> repr(dataclasses.MISSING) '<dataclasses._MISSING_TYPE object at 0x1005e7e00>' >>> repr(dataclasses.KW_ONLY) '<dataclasses._KW_ONLY_TYPE object at 0x100884050>' Sentinels are conceptually the right tool for these, so let's use them. This does change the repr() of these two objects.
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There were comments claiming these were implemented as custom classes to give a nicer
repr(), but the repr() wasn't all that nice:
Sentinels are conceptually the right tool for these, so let's use them.
This does change the repr() of these two objects.