Install libr3-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libr3-dev
Description:
High-performance URL router library (development files)
R3 is an URL router library with high performance, thus, it's implemented in C. It compiles your route paths into a prefix trie. By using the constructed prefix trie in the start-up time, you can dispatch routes with efficiency. . This package contains development files for libr3.
Homepage: https://github.com/c9s/r3
Version: 1.3.4-1
Section: universe/libdevel