ct.js: Compile Time Function Execution (CTFE) in JavaScript

Inspired from the CTFE of the D language, ct.js permits to
generate efficient code while maintaining expressiveness.
  
By G. Lathoud, December 2019 and later. Contact: glat@glat.info
The Boost license apply, as described in the file 

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Open your Developer Tools & JS console to see the examples in action.

Sources

The sources for expl.js and ct.js are displayed below. For fun, I used ct.js to dump and prettify the two source files:

ct( () => {
  ct.def( one, (s) =>
    `write_source_code(${s}_source_code,"${s}.js")` ).ct;
    
  ct.one("expl").ct;
  ct.one("ct").ct;

})();