mp-units
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quantity
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C++ library for a type multiset
Hmm a bit apples and oranges, my version includes a lot of whitespace, doxygen style comments, used pre-20 -fconcepts, and has (IIRC) addition and multiplication (by a scalar), but no tests.
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Very stupid question: Declaring a nominal int type.
The heavy way to solve this is something like boost::units. A lighter way is a 'qualitity' type. I made a start here, https://github.com/wovo/quantity but got distracted by more urgent problems.
mp-units
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Is it just mean, or is C# easier to learn than JavaScript or even PHP?
It's not the type system you're complaining about, though. It takes a bit of work but you can write types that include units information with no loss of performance.
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I'm a beginner making a library for unit conversion, contributions are welcome
I recommend using this as reference https://github.com/mpusz/units it probably solves the same or similar problem.
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Why is this piece of code compiling with char as c-tor argument?
Yep. And there are some libraries to provide strong-type int, depending on what you need: type_safe or even units.
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C++'s smaller cleaner language
Indeed you cannot. Then again, you couldn't write a library like fmtlib in C in the first place. I mean why do you complain about C++ features which enable you to write libraries you otherwise couldn't? How would you expect to implement equivalent libraries to EVE or mp-units in C alone?
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I got curious about units of measure in programming languages so I recreated xkcd/687.
How does it compare with https://github.com/mpusz/units ?
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C++ for Mathematicians
I don't have a book to recommend, but I have a fantastic library: https://github.com/mpusz/units
- Cheatsheet for the C++ core guidelines (philosophy)
- Compile-time C++ library for compile-time dimensional analysis, units/quantities
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Please Put Units in Names
Good C++ library for that topic is [0]. You can even go further and combine with something like [1] which is super helpful for kalman filters and other stuff where you have heterogeneous units in one vector.
[0] https://github.com/mpusz/units
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C++ lib for handling SI units
This seems to be on a progress to standardisation for c++23/26: https://github.com/mpusz/units
What are some alternatives?
strong_type - An additive strong typedef library for C++14/17/20
awesome-hpp - A curated list of awesome header-only C++ libraries
torsor - C++ torsor class template
UNITS - a compile-time, header-only, dimensional analysis and unit conversion library built on c++14 with no dependencies.
tinyobjloader - Tiny but powerful single file wavefront obj loader
cpp-core-guidelines-cheatsheet - Cheatsheet for the C++ core guidelines, including a set of tried-and-true guidelines, rules, and best practices about coding in C++.
zen
oof - Convenient, high-performance RGB color and position control for console output
termtosvg - Record terminal sessions as SVG animations
NodaTime - A better date and time API for .NET
user-management - An open-source application delivering a responsive user management experience.
SI - A header only C++ library that provides type safety and user defined literals for physical units