Questions tagged [raku]
For questions relating to the Raku programming language (formerly known as Perl 6).
16 questions
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2
votes
1
answer
118
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AST node class generator
Given two hashes, my script generates two (poorly formatted) C# source files containing some classes that represent several AST nodes a programming language needs and an implementation of the Visitor ...
2
votes
1
answer
87
views
Raku multiplication using prompt and say
I have extensively consulted Raku documentation and have tried many combinations to finally arrive at this working solution.
...
4
votes
3
answers
427
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How can I make my program that calculates π faster?
For my first Raku program, I thought it might be a fun challange to port over a program I'd written in C# about two years ago, and I was right: it was.
There's just one problem: while the C# program ...
3
votes
1
answer
71
views
Linux: Raku script to open files from terminal and ask for deletion
Raku script to open files from terminal with xdg-open and, with del option, asks for deletion. Happy to receive Raku syntax improvements. Thanks!
...
5
votes
2
answers
122
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Range check operator
I'd like to improve this operator code if I can. I don't know enough Raku
to write idiomatically (or any other way for that matter), but suggestions
along those lines would be good also.
...
3
votes
0
answers
74
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Raku and the Knapsack
The following is a solution to the knapsack problem and supposed to be my entry to this weeks perl challenge. I wonder if this is a good use of dynamic variables or is it too confusing?
I use them ...
2
votes
1
answer
57
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Ranges of enum members that dwim
Inspired by this blogpost I decided to try and make it possible to have ranges of enum members that dwim, aka. that contain the actual members and not a stringified ...
6
votes
1
answer
92
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Raku / Perl6: A module to enable escape codes in the win32 console, naming suggestions
I have this little project i am about to release.
https://github.com/holli-holzer/perl6-Win-VT
I would be happy about a code review and suggestions for a better name.
Discussion in IRC yielded ...
6
votes
3
answers
180
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perl6: html color gradient generator
Edit: The comments have been incorporated to this module in GitHub. The final code has been included at the end of this thread. Thanks very much for the detailed and brilliant suggestions.
Inspired ...
3
votes
1
answer
292
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Parsing a C++ function declaration with Perl 6 grammar
I wrote a Perl 6 grammar to parse a C++ function. My final goal would be to parse an entire header. The aim is not to correct C++ syntax errors, but to parse valid C++.
Do you have some advice or ...
4
votes
0
answers
83
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Correct user typos in a C source file using Perl 6 grammar
To learn about Perl 6 grammars, I created a simple parser for C source files. Note that this is a constructed example motivated by this question. The point is to parse a C source file and correct user ...
11
votes
3
answers
203
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Mass and length calculator using Perl 6 custom operator
I am studying chemistry in the university, and then I try to write all the things in the textbook with Perl6 or Perl, like balancing the chemical formula or other process!
Then I encountered the ...
4
votes
1
answer
111
views
Get sum of an array in 3 ways, for, while and recursive
So i was trying to find sum of an array using 3 ways in perl6
for
while
recursive
(I know there are inbuilt perl6 functions for this)
I want to know if there is a better way to do this or is this it?
...
5
votes
2
answers
181
views
Break an array into n equal or almost-equal sized sublists
I want to break a larger list into $num-lists smaller lists. I thought that there might be an option for rotor that would ...
7
votes
3
answers
324
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Perl 6 oneliner to sum up all numbers in a text file
The task is to sum up scores mentioned in a text file. Scores are floating point numbers as defined by the regexp float immediately preceded by a * character to ...