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compiler error "error: call to deleted function 'from_chars'" for floating point numbers #456

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FMorkel opened this issue Sep 26, 2024 · 1 comment

FMorkel commented Sep 26, 2024

Hi,

std::from_chars seems to be (still) unsupported for floating point numbers (_LIBCPP_VERSION=190100).
Or am I missing something?

Best regards,
Fred

Contributor

alvinhochun commented Sep 26, 2024

It is currently unimplemented in libc++:

P0067R5: Elementary string conversions llvm/llvm-project#99940

There is a PoC PR upstream, though there is no telling when it will be ready and merged:

[libcxx][libc] Hand in Hand PoC with from_chars llvm/llvm-project#91651

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