chore: Use default constructor for proxy - #3
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* Don't rely on transitive include of `"fmt/core.h"` We got it through `cpp11/protect.hpp`, but we should not rely on that * Correctly use `fmt::runtime()` on runtime strings passed to `fmt::format()` In fmt, there is a `FMT_CONSTEVAL` macro that resolves to `consteval` on "new enough" C++ (otherwise it doesn't do anything). For R 4.6+, the default C++ used is finally "new enough" (`__cplusplus > 201703L`). This causes all `fmt::format()` calls to require a constant expression for `const char*` and `std::string&` input, which we are not currently doing via `fmt_arg`. We have a runtime provided string, which must now be wrapped in `fmt::runtime()`, which is what we should have been doing all along. * Add `r_ns_env()` and use in `get_namespace()` Throwing an informative (and tested!) error when we can't find the package namespace * Define `RCPP_NO_R_HEADERS_CHECK` before all `#include <Rcpp.h>` usage `#include <cpp11/R.hpp>` sets everything up the right way, and otherwise we get a warning from Rcpp which doesn't seem to end up being relevant for this use case * Use `r_env_has()` + `r_env_get()` To avoid triggering a NOTE about usage of `Rf_findVarInFrame3()` on R 4.5, where technically we had the tools to avoid that
* Teach `cpp_source()` how to source multiple files * NEWS bullet * Link to PR
…violations (r-lib#493) * Add failing test * Use tag types to generate attribute specific internals * NEWS bullet * Formatting
* Update `cran-comments.md` * Increment version number to 0.5.5
krlmlr
changed the base branch from
claude/main-42ve6t
to
b-proxy-default-constructor
August 17, 2026 21:14
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Patch
b-proxy-default-constructorof the stack.r_vector<T>::proxydeclares a copy assignment operator, which suppresses the implicitly-declared copy constructor under the rule of five — deprecated rather than removed, so compilers accept it but warn. Declaring the copy constructor= defaultsays explicitly what the implicit one did.One line in
inst/include/cpp11/r_vector.hpp.🤖 Generated with Claude Code
https://claude.ai/code/session_01K8MneV8KqHYUuC8fWV3X5Q
Generated by Claude Code