Fix to get you back on CRAN (I think)

.Rbuildignore

@@ -2,7 +2,7 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^TODO$
-^sandbox/.*
+^sandbox$
 ^vignettes/(?![^\.]*(\.html\.asis|\.html)$).*
 ^cran-comments\.md$
 ^\.github$

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: parglm
 Type: Package
 Title: Parallel GLM
-Version: 0.1.7
+Version: 0.1.8
 Authors@R: c(
   person("Benjamin", "Christoffersen", 
          email = "boennecd@gmail.com", 
@@ -20,13 +20,12 @@ URL: https://github.com/boennecd/parglm
 BugReports: https://github.com/boennecd/parglm/issues
 LinkingTo: Rcpp, RcppArmadillo
 Imports: Rcpp, Matrix
-SystemRequirements: C++11
 Suggests: testthat, 
     SuppDists,
     knitr,
     rmarkdown, 
     speedglm, 
     microbenchmark,
     R.rsp
-RoxygenNote: 6.1.1
+RoxygenNote: 7.3.3
 VignetteBuilder: R.rsp

parglm.Rproj

@@ -18,3 +18,4 @@ StripTrailingWhitespace: Yes
 BuildType: Package
 PackageUseDevtools: Yes
 PackageInstallArgs: --no-multiarch --with-keep.source
+PackageRoxygenize: rd,collate,namespace

src/thread_pool.h

@@ -209,10 +209,10 @@ class thread_pool
 
 public:
   template<typename FunctionType>
-  std::future<typename std::result_of<FunctionType()>::type>
+  std::future<typename std::invoke_result<FunctionType>::type>
   submit(FunctionType f)
   {
-    typedef typename std::result_of<FunctionType()>::type result_type;
+    typedef typename std::invoke_result<FunctionType>::type result_type;
 
     std::packaged_task<result_type()> task(std::move(f));
     std::future<result_type> res(task.get_future());