Questions tagged [template-meta-programming]
For code that uses templates to generate compile-time executed code. For ordinary use of templates, use the 'template' tag instead.
277 questions
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Namespace-scope try_lock_for / try_lock_until pt. 2
This is my second iteration of implementing try_lock_for/try_lock_until function templates in which I've cherry-picked a bunch ...
- 515
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123
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Implementing views and slicing for arbitrarily nested `std::vector`s in a header-only library
I implemented a templated vector_view class that holds a reference to an std::vector and provides the following operations:
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A generic function that reads a line of numeric values from a file
I'm writing a library of IO functions for my physics laboratory class. In the meanwhile, I'm hoping to learn more about generic programming and C++20 concepts.
Some context
I usually came home from ...
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Member detection within a class
Needed to do some Meta programming.
I needed to check if a class has a specific member (one case a member variable second case a member type (two distinct use cases)).
Since I am writing a library, I ...
- 97.7k
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490
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Compile time string manipulation in C++
I recently had to work on some conversion of literal strings and wondered if that could be done at compile time using template meta programming. I couldn't find many examples online, so I started ...
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Function composition in the context of data processing pipelines
Prior Notification
This follows a previous review of mine that addressed the core helper function named make_skippable.
The composition implementation presented ...
- 115
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Extending callable signature with std::optional in context of function composition (make_skippable)
(Please note: the post about the compose implementation announced below is now available.)
This is about decorating callables by making their argument and return value to be a ...
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(C++) Template code for adding tagging types to add additional context
Below is a piece of template code which allows for adding a Tag to structure or class types.
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- 249
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C++ printing library with templates
I was mad C++ did not have support for printing containers. I also could not find a header only library for printing containers so I decided to make my own. My goals were: 1) practicing templates 2) ...
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Partial specialization of class template with minimal code duplication
I have a class template that stores an std::optional<T>. A very reduced version of the class template looks like this:
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- 133
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Template for making distinct numeric type aliases
I've tried to make a small template for the creation of distinct (incompatible) numerical types. For example both row and column indices are usually represented as the same underlying type. However it ...
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C++ enum to string conversion utility
I needed to find a way to convert a bunch of enums to string for displaying in C++. The two main ways I found when searching was using dark magic macros or voodoo magic template metaprogramming.
As I ...
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Variadic pack class providing operations over types without constructing objects of those types
Sometimes I find I want to call a function passing each of a set of types as a template parameter, but without needing to construct an object of those types. I also may want to do this in multiple ...
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253
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Transpose types variadicly
I want to do template metaprogramming to compute the conversion from std::variant<Ts...> to ...
- 143