April 23, 2023, 5:52 p.m. | johnnylarner

DEV Community dev.to

No learning journey starts without printing Hello World! to the console. That's exactly how day 1 went. I learned some CLI basics and was introduced to some basic data types.





Open questions



  • What exactly are the :: and dot operator used for?

  • What is the difference between double and single character boolean operators?

  • Do arrow expressions have additional uses?

  • Do arrow expressions have formatting rules or other kinds of limitations?

  • What on earth are macros in Rust?

  • Are type annotations …

basic basics beginners cargo cli compiler console data dot earth hello journey macros printing questions rules rust single types what is world

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