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Implement changes missed from P1148R0 #2222

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merged 1 commit into from
Nov 13, 2021

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  • basic_string(const T& t, size_type, size_type, Alloc = Alloc()) constructor should allow t's convertible to pointer-to-element
  • Each family of find functions is (1) missing conditional noexcept on the "convertible-to-string_view" overload, and (2) incorrect that noexcept on the "element, offset" overload is strengthened

We apparently overlooked these bits when implementing P1148R0 which was largely a clean rewording paper. A new internal test suite noticed one of the missed changes, I audited P1148 to find the others.

Fixes VSO-1411144
Fixes AB#1411144

* `basic_string(const T& t, size_type, size_type, Alloc = Alloc())` constructor _should_ allow `t`'s convertible to pointer-to-element
* Each family of `find` functions is (1) missing conditional `noexcept` on the "convertible-to-`string_view`" overload, and (2) incorrect that `noexcept` on the "element, offset" overload is strengthened

We apparently overlooked these bits when implementing P1148R0 which was largely a clean rewording paper.

Fixes VSO-1411144
Fixes AB#1411144
@CaseyCarter CaseyCarter added the bug Something isn't working label Sep 28, 2021
@CaseyCarter CaseyCarter requested a review from a team as a code owner September 28, 2021 05:24
@StephanTLavavej StephanTLavavej self-assigned this Sep 29, 2021
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed, or if more work is required.

@StephanTLavavej StephanTLavavej merged commit 5739401 into microsoft:main Nov 13, 2021
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Thanks for finding and fixing these string conformance issues! 🧵 🧶 😻

@CaseyCarter CaseyCarter deleted the p1148-fixup branch November 14, 2021 19:53
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