<format>: Make non-Standard constructors of basic_format_arg::handle and basic_format_context private
#4489
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`basic_format_arg::handle` and `basic_format_context`
StephanTLavavej
added
enhancement
StephanTLavavej
approved these changes
Mar 18, 2024
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/azp run STL-CI |
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Azure Pipelines successfully started running 1 pipeline(s). |
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for improving |
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Notes:
handle's constructor is exposition only and private in the standard wording ([format.arg]/10), so at least the constructor shouldn't be callable from user code. Removingstatic_assertmessages due to this.The standard wording seemingly leaves special member functions ofbasic_format_contextimplicitly declared ([format.context]), which means that its default constructor should be declared and defaulted.basic_format_contextare changed to take references to avoid double copy/move.basic_format_arg,handle, andbasic_format_contextare consistently performed by_Make_fromstatic member functions, and_Make_fromfunctions are consistently marked_NODISCARD.