Boost.Phoenix is a C++ library to enable function programming in C++.
Questions tagged [boost-phoenix]
159 questions
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Functional data structures in C++
Does anyone know of a C++ data structure library providing functional (a.k.a. immutable, or "persistent" in the FP sense) equivalents of the familiar STL structures?
By "functional" I mean that the objects themselves are immutable, while…
drg
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5 answers
What are the benefits of using Boost.Phoenix?
I can not understand what the real benefits of using Boost.Phoenix.
When I use it with Boost.Spirit grammars, it's really useful:
double_[ boost::phoenix::push_back( boost::phoenix::ref( v ), _1 ) ]
When I use it for lambda functions, it's also…
Denis Shevchenko
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When is boost phoenix useful?
Possible Duplicate:
What are the benefits of using Boost.Phoenix?
So I started reading the documentation for boost phoenix.
However, I must admit that I don't quite understand the purpose of the library, especially since we have language support…
ronag
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14
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3 answers
Does bind() have any advantage (other than compatibility) over C++11 lambdas?
I'm thinking about migrating my code toward using C++11-style lambdas instead of having binds everywhere. But I'm not sure if it's a good idea or not.
Does using e.g. boost::lambda (or boost::phoenix) have any practical advantage over C++11-style…
user541686
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13
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What is the difference between Boost::bind and Boost Phoenix::bind?
What is the difference between Boost::bind and Boost Phoenix::bind?
Leandro Lima
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Difference between boost::bind, boost::lambda::bind and boost::phoenix::bind
I am trying to understand the difference between these different bind approaches. There is a similar question at boost::bind and boost::phoenix::bind
But, if anyone can explain this with examples it would be great. Also is it true that…
polapts
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Boost::Spirit Expression Parser
I have another problem with my boost::spirit parser.
template
struct expression: qi::grammar {
expression() :
expression::base_type(expr) {
number %=…
Lanbo
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10
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boost lambda versus phoenix
I recently started looking at boost phoenix, as replacement for lambda.
Is phoenix a full replacement for lambda, or is there some lambda functionality which is not provided by phoenix? is phoenix mature? Are there any gotcha I should know…
Anycorn
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9
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Boost::Spirit::Qi. How to turn inlined parser expressions into standalone grammars, and how to unpack the tuples generated by them?
I'm using QI and Phoenix, and I want to write a small grammar that returns 4 bools which are to be used as arguments for a function call inside a semantic action.
I have several functions that need those things, and so far I have used this…
Erius
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Boost.Spirit.Qi: Take a rule's attribute and set it as a field of an enclosing rule's struct attribute?
Like, many of these other questions, I'm trying to parse a simple grammar into a tree of structs using Boost.Spirit.Qi.
I'll try to distill what I'm trying to do to the simplest possible case. I have:
struct Integer {
int…
jtolds
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Static functions from boost.lambda or boost.phoenix
I regularly use boost.lambda (and phoenix) to define lambda functions in C++. I really like their polymorphic property, the simplicity of their representation and the way they make functional programming in C++ so much easier. In some cases, it's…
enobayram
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Understanding and using the Boost Phoenix Library with a focus on lazy evaluation
I just found out about the Boost Phoenix library (hidden in the Spirit project) and as a fan of the functional-programming style (but still an amateur; some small experience with haskell and scheme) i wanted to play around with this library to learn…
sascha
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How do I convert boost::spirit::qi::lexeme's attribute to std::string?
Consider:
struct s {
AttrType f(const std::string &);
};
...and a rule r with an attribute AttrType:
template using rule_t =
boost::spirit::qi::rule
Braden
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How can I make std::find_if and std::map work together using some boost library?
This question is inspired from another topic which poses this question:
Find the first value greater than user specified value from a map container
which can be solved in several ways. A typical C++03 solution defines a dedicated function (or…
Nawaz
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Is Boost.Phoenix inherently slower than the equivalent C++11 lambdas (does it use virtual calls, 'volatile' usage, etc.)?
I always thought Boost.Phoenix used type-inference to infer everything statically, until I tried this code:
#include
#include
using namespace boost::phoenix;
using namespace boost::phoenix::placeholders;
struct…
user541686
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