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trunk doesn't work with std::generator #4053

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hewillk opened this issue Jul 6, 2024 · 1 comment · Fixed by #4057
Closed

trunk doesn't work with std::generator #4053

hewillk opened this issue Jul 6, 2024 · 1 comment · Fixed by #4057

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@hewillk
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hewillk commented Jul 6, 2024

#include <fmt/ranges.h>
#include <sstream>
#include <generator>

std::generator<std::string&> istream_gen() {
  auto words = std::istringstream{"today is yesterday's tomorrow"};
  std::string word;
  while (words >> word)
    co_yield word;
}

int main() {
  fmt::print("{}\n", istream_gen());
}

https://godbolt.org/z/s7sGrGvzd

@vitaut
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vitaut commented Jul 6, 2024

Looks like move is missing somewhere.

Arghnews added a commit to Arghnews/fmt that referenced this issue Jul 7, 2024
Arghnews added a commit to Arghnews/fmt that referenced this issue Jul 8, 2024
@vitaut vitaut closed this as completed in e60ff50 Jul 9, 2024
mtremer pushed a commit to ipfire/ipfire-2.x that referenced this issue Aug 15, 2024
- Update from version 11.0.1 to 11.0.2
- Update of rootfile
- Changelog
    11.0.2
	- Fixed compatibility with non-POSIX systems
	  (fmtlib/fmt#4054,
	  fmtlib/fmt#4060).
	- Fixed performance regressions when using `std::back_insert_iterator` with
	  `fmt::format_to` (fmtlib/fmt#4070).
	- Fixed handling of `std::generator` and move-only iterators
	  (fmtlib/fmt#4053,
	  fmtlib/fmt#4057). Thanks @Arghnews.
	- Made `formatter<std::string_view>::parse` work with types convertible to
	  `std::string_view` (fmtlib/fmt#4036,
	  fmtlib/fmt#4055). Thanks @Arghnews.
	- Made `volatile void*` formattable
	  (fmtlib/fmt#4049,
	  fmtlib/fmt#4056). Thanks @Arghnews.
	- Made `Glib::ustring` not be confused with `std::string`
	  (fmtlib/fmt#4052).
	- Made `fmt::context` iterator compatible with STL algorithms that rely on
	  iterator category (fmtlib/fmt#4079).

Signed-off-by: Adolf Belka <[email protected]>
Signed-off-by: Michael Tremer <[email protected]>
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2 participants