knitr::opts_chunk$set( cache = FALSE ) asciicast::init_knitr_engine()
Test cpp11 integration.
```{asciicastcpp11, echo = TRUE} double mean_cpp(doubles x) { int n = x.size(); double total = 0; for (double value : x) { total += value; } return total / n; }
```{asciicast 1-cpp11-mean} mean_cpp(1:10000*1.0)
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