Category:Wren: Difference between revisions
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* [https://rosettacode.org/wiki/Category:Wren-polygon polygon]
* [https://rosettacode.org/wiki/Category:Wren-srandom srandom]
* [https://rosettacode.org/wiki/Category:Wren-lsystem lsystem]
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These modules are subject to the same license as any other code submitted to Rosetta Code though contributors' user pages should be checked to see whether more permissive terms are available. If anyone wishes to add further modules, please do so using a similar model and append them to the list.
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Revision as of 16:25, 7 July 2021
![Language](http://static.miraheze.org/rosettacodewiki/thumb/2/27/Rcode-button-language-crushed.png/64px-Rcode-button-language-crushed.png)
This programming language may be used to instruct a computer to perform a task.
Official website |
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Execution method: | Interpreted |
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Garbage collected: | Yes |
Type safety: | Safe |
Type strength: | Strong |
Type expression: | Implicit |
Type checking: | Dynamic |
See Also: |
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Wren is a lightweight, object-oriented programming language designed to be an easily-embeddable scripting language.
It is under development on GitHub and is fully documented here.
Version 0.3.0 was released in June 2020 and the CLI tool (Wren CLI) was then split off into its own repository. It is now available as a pre-built standalone executable and is the main focus of examples written for RC. Unfortunately, its embedded VM suffers from a stack corruption bug which often manifests itself in recursive code. This bug was fixed in September 2020 and, rather than use the pre-built executable, I would recommend that RC users build Wren CLI themselves using the latest VM code pending the release of version 0.4.0. From April 2021, the latest build already includes Wren 0.4.0 features and the official release will follow soon.
In common with several other 'newer' languages (Rust, Kotlin, Julia, Swift, Phix etc.) Wren doesn't have its own syntax highlighting on Rosetta Code as GeSHi support hasn't been updated for a long time and may never be. However, I've found by experimentation that, if ecmascript is used in the lang tag, then this will highlight all of Wren's keywords except construct and foreign and is probably the best we can do in the circumstances.
As a language mainly designed for embedding, Wren's standard library is (of necessity) quite small and I have therefore decided to create some additional modules to assist with writing Rosetta Code tasks so the same code does not have to be written or copy/pasted time and time again thereby bloating a task's script code unnecessarily. The ones written so far are listed below:
- fmt
- str
- sort
- math
- trait
- seq
- date
- rat
- pattern
- big
- upc
- matrix
- set
- llist
- queue
- complex
- dynamic
- ioutil
- long
- crypto
- sound
- polygon
- srandom
- lsystem
These modules are subject to the same license as any other code submitted to Rosetta Code though contributors' user pages should be checked to see whether more permissive terms are available. If anyone wishes to add further modules, please do so using a similar model and append them to the list.
Please note that when creating a category for a new module its name should be prefixed with 'Wren-' as in 'Wren-fmt' and the library header for a task which uses the module should therefore use this name. Modules will normally have generic names and this convention allows Rosetta Code users to easily distinguish Wren modules from similarly named modules/libraries written for other languages.
Pages in category "Wren"
The following 200 pages are in this category, out of 1,680 total.
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- Chaos game
- Character codes
- Chat server
- Chebyshev coefficients
- Check if a polygon overlaps with a rectangle
- Check if two polygons overlap
- Check input device is a terminal
- Check Machin-like formulas
- Check output device is a terminal
- Check that file exists
- Checkpoint synchronization
- Checksumcolor
- Chemical calculator
- Chernick's Carmichael numbers
- Cheryl's birthday
- Chess player
- Chinese remainder theorem
- Chinese zodiac
- Cholesky decomposition
- Chowla numbers
- Church numerals
- Cipolla's algorithm
- Circles of given radius through two points
- Circular primes
- Cistercian numerals
- Classes
- CLI-based maze-game
- Closest-pair problem
- Closures/Value capture
- Code Golf: Code Golf
- Code segment unload
- Collect and sort square numbers in ascending order from three lists
- Collections
- Color of a screen pixel
- Color quantization
- Color separation
- Color wheel
- Colorful numbers
- Colour bars/Display
- Colour pinstripe/Display
- Colour pinstripe/Printer
- Combinations
- Combinations and permutations
- Combinations with repetitions
- Combinations with repetitions/Square digit chain
- Comma quibbling
- Command-line arguments
- Commatizing numbers
- Comments
- Common list elements
- Common sorted list
- Compare a list of strings
- Compare length of two strings
- Compare sorting algorithms' performance
- Compile-time calculation
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/Preprocessor
- Compiler/Simple file inclusion pre processor
- Compiler/syntax analyzer
- Compiler/Verifying syntax
- Compiler/virtual machine interpreter
- Composite numbers k with no single digit factors whose factors are all substrings of k
- Compound data type
- Concatenate two primes is also prime
- Concurrent computing
- Conditional structures
- Conjugate a Latin verb
- Conjugate transpose
- Consecutive primes with ascending or descending differences
- Consistent overhead byte stuffing
- Constrained genericity
- Constrained random points on a circle
- Continued fraction
- Continued fraction convergents
- Continued fraction/Arithmetic/Construct from rational number
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
- Convert CSV records to TSV
- Convert decimal number to rational
- Convert seconds to compound duration
- Convex hull
- Conway's Game of Life
- Coprime triplets
- Coprimes
- Copy a string
- Copy stdin to stdout
- CORDIC
- Count how many vowels and consonants occur in a string
- Count in factors
- Count in octal
- Count occurrences of a substring
- Count the coins
- Count the coins/0-1
- Countdown
- Cousin primes
- Cramer's rule
- CRC-32
- Create a file
- Create a file on magnetic tape
- Create a two-dimensional array at runtime
- Create an executable for a program in an interpreted language
- Create an HTML table
- Create an object at a given address
- Create an object/Native demonstration
- Create your own text control codes
- Cross compilation
- CSV data manipulation
- CSV to HTML translation
- Cuban primes
- Cubic special primes
- Cullen and Woodall numbers
- Cumulative standard deviation
- Currency
- Currying
- Curve that touches three points
- Curzon numbers
- CUSIP
- Cut a rectangle
- Cycle detection
- Cycles of a permutation
- Cyclops numbers
- Cyclotomic polynomial
D
- Damm algorithm
- Data Encryption Standard
- Date format
- Date manipulation
- Dating agency
- Day of the week
- Day of the week of Christmas and New Year
- Days between dates
- De Bruijn sequences
- De Polignac numbers
- Deal cards for FreeCell
- Death Star
- Deceptive numbers
- Decimal floating point number to binary
- Decision tables
- Deconvolution/1D
- Deconvolution/2D+
- Decorate-sort-undecorate idiom
- Deepcopy
- Define a primitive data type
- Delegates
- Delete a file
- Deming's funnel
- Department numbers
- Descending primes
- Detect division by zero
- Determinant and permanent
- Determine if a string has all the same characters
- Determine if a string has all unique characters
- Determine if a string is collapsible
- Determine if a string is numeric
- Determine if a string is squeezable
- Determine if only one instance is running
- Determine if two triangles overlap
- Determine sentence type
- Dice game probabilities
- Digit fifth powers
- Digital root
- Digital root/Multiplicative digital root
- Dijkstra's algorithm
- Dinesman's multiple-dwelling problem
- Dining philosophers
- Diophantine linear system solving
- Disarium numbers
- Discordian date
- Discrete Fourier transform
- Display a linear combination
- Display an outline as a nested table
- Distance and Bearing
- Distinct palindromes within decimal numbers
- Distinct power numbers
- Distributed programming
- Distribution of 0 digits in factorial series
- Diversity prediction theorem
- Divide a rectangle into a number of unequal triangles
- DNS query
- Documentation
- Dominoes
- Doomsday rule
- Dot product
- Double Twin Primes
- Doubly-linked list/Definition
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Element removal
- Doubly-linked list/Traversal
- Dragon curve
- Draw a clock
- Draw a cuboid
- Draw a pixel
- Draw a rotating cube
- Draw a sphere
- Draw pixel 2
- Duffinian numbers
- Dutch national flag problem
- Dynamic variable names