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cpp11 (development version)

  • added as_double() and as_integer() method to coerce integers to doubles and doubles to integers to doubles (@sbearrows, #46)
  • Removed redundant .Call calls in cpp11.cpp file (@sbearrows, #170)
  • Allow cpp11 decorators of the form cpp11::linking_to (@sbearrows, #193)
  • Error messages now output original file name rather than the temporary file name (@sbearrows, #194)
  • Fixed bug when running cpp_source() on the same file more than once (@sbearrows, #202)
  • Removed internal instances of cpp11::stop() and replaced with C++ exceptions (@sbearrows, #203)
  • Added cpp11::messages() feature with {fmt} library formatting for non-error messages (@sbearrows, #208)
  • Names of named lists are now resized along with the list elements (@sbearrows, #206)
  • Added optionally formatting to stop() and warning() using {fmt} library (@sbearrows, #169)

cpp11 0.3.1

  • Fix stringop-truncation warning from generated wrapping code.

cpp11 0.3.0

New functions and features

  • New x.empty() method to check if a vector is empty (@sbearrows, #182)
  • New x.named() method to check if a vector is named (@sbearrows, #186)
  • New na() free function to return the NA sentinels for R objects (@sbearrows, #179)

Major fixes

  • Memory no longer inadvertently leaks when move constructing vectors (#173)

minor improvements and fixes

  • Incorrectly formatted cpp11 decorators now output a more informative error message (@sbearrows, #127)
  • Generated registration code now uses C collation to avoid spurious changes from tools::package_native_routine_registration_skeleton() (@sbearrows, #171)
  • Makevars files which include filenames now handle spaces in paths properly (@klmr, #160)

cpp11 0.2.7

  • Fix a transient memory leak for functions that return values from cpp11::unwind_protect() and cpp11::safe (#154)
  • cpp_source() now gets an argument dir to allow customized temporary directory to store generated source files. It makes it easier to debug C++ source files in non-package project via source mapping. (@renkun-ken, #156)

cpp11 0.2.6

  • cpp_register() now uses symbols exclusively in the .Call() interface. This allows it to be more robust in interactive use with the pkgload package.

cpp11 0.2.5

  • cpp_source() gains a cxx_std argument to control which C++ standard is used. This allows you to use code from C++14 and later standards with cpp_source(). (#100)
  • The cpp11 knitr engine now allows you to set the cxx_std chunk option to control the C++ standard used.
  • cpp_source() now has much more informative error messages when compilation fails (#125, #139)
  • cpp_source() now uses a unique name for the DLL, so works when run multiple times on the same source file on Windows (#143)
  • writable::list_of<T> now supports modification of vectors as intended (#131).
  • Errors when running tools::package_native_routine_registration_skeleton() are no longer swallowed (#134)
  • cpp_source() can now accept a source file called cpp11.cpp (#133)
  • named_arg now explicitly protect their values, avoiding protection issues when using large inputs. tidyverse/readr#1145
  • r_string(std::string) now uses Rf_mkCharLenCE() instead of Rf_mkChar(), which avoids the performance cost of checking the string length.
  • Writable vector classes now properly set their lengths as intended when being copied to a read only class (#128).

cpp11 0.2.4

  • The preserve list is now more robust to invalid values, such as when the XPtr has no address or if non-xptr's are stored in the option. This fixes errors when reloading packages using cpp11 and RStudio's session restores.
  • The preserve list is now more robust to invalid values, such as null pointers when the XPtr is serialized. This situation occurs during 'Install and Restart' in RStudio (#121)

cpp11 0.2.3

  • r_vector::const_iterator::operator* is now a const method (#113, @bkietz, @xhochy)
  • The preserve list is now stored in an XPtr, rather than an environment, to avoid issues when serializing the preserve environment, which happens implicitly when RStudio or RStudio Cloud saves all options when resuming a session (#116)

cpp11 0.2.2

  • r_bool added as an adapter between bool and Rboolean values (#57, @bkietz)

  • data_frame() objects now have the number of rows correctly set as real length, not the reserved length (#91)

  • Fixed potential memory leak in cpp11::writable classes.

cpp11 0.2.1

  • Ensures backwards compatibility with code generation from cpp11 0.1.0 (#88)

  • push_back() now works more consistently with named arguments (#86)

cpp11 0.2.0

New features

  • cpp11 is now able to compile on gcc 4.8.5 (#69, @bkietz)

  • cpp_source(), cpp_function() and cpp_eval() now support [[cpp11::linking_to()]] syntax to link to third party packages with C++ headers. (#48)

Minor improvements and fixes

  • as_cpp<E>() now works with enumeration types (#52, @bkietz)

  • as_cpp<int>() and as_cpp<double>() now implicitly coerce between all 3 types of single NA values (#53).

  • list::const_iterator::operator*() added so iterators could be used on list objects (#60, @romainfrancois)

  • safe[] can now work with functions that return any type (#70, @bkietz)

  • The END_CPP macro now includes a catch(...) block to catch all C++ exceptions that do not inherit from std::exception (#47).

  • Improve consistency of inserting NA values in r_string objects (#45)

  • Added a NEWS.md file to track changes to the package.

cpp11 0.1.0

  • Initial release