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All Features

A list of 165 features found in programming languages.

title pseudoExample yes no percentage
Comments # Hello PLDB 637 5 99%
Line Comments # Hello PLDB 533 27 95%
Strings "Hello PLDB" 383 0 100%
Print() Debugging print "Hello PLDB" 334 1 100%
MultiLine Comments /* Hello PLDB */ 233 22 91%
Integers 80766866 171 1 99%
Floats 80766866.0 145 0 100%
Booleans pldb = true 129 4 97%
Hexadecimals 0x4D06792 112 1 99%
Conditionals if (isTrue) printPldb() 81 10 -
Semantic Indentation line0 if true line1 print "Hello PLDB" 65 536 11%
Assignment name = "PLDB" 62 1 -
While Loops while (pldb.pop()) loop() 58 2 -
Octals 0o464063622 57 1 -
Binary Literals 0b100110100000110011110010010 53 1 -
File Imports import pldb 49 9 -
Functions function computePLDBRanks() {} 44 1 -
Operator Overloading def __add__(): doSomethingDifferent() 34 20 -
Classes class PLDBFile {} 33 7 -
Switch Statements switch animal: case dog-buy; case cat-sell; 32 1 -
Macros #define pldbItems 4000 32 21 -
Constants const name = "PLDB" 31 1 -
Case Sensitivity pldb != PLDB 30 10 -
Type Inference imAString = "pldb" 29 0 -
Directives use strict; 27 2 -
Pointers int *pldb 26 10 -
Lists [2, 3, 10] 26 1 -
Exceptions throw new Error("PLDB uh oh") 26 5 -
Scientific Notation 8076686.6e1 24 0 -
Case Insensitive Identifiers pLdB = "PLDB" 24 72 -
Inheritance class PLDBFile extends File 21 1 -
Access Modifiers class PLDBFile { public title } 21 6 -
Garbage Collection var iDontNeedToFreeThis 20 12 -
Constructors PLDBFile { constructor() {} } 20 5 -
Zero-based numbering firstItem = pldb[0] 17 3 -
Bitwise Operators 3 == (2 | 1) 17 1 -
Increment and decrement operators i++ 16 2 -
Single Dispatch person.run() 15 1 -
Multiple Inheritance extends parentWhichExtendsSomethingElse 15 9 -
Ternary operators true ? 1 : 0 14 14 -
Lispy (+ 1 2) 13 1 -
Threads thread1(); thread2(); 13 0 -
Multiline Strings hello = """Hello\nPLDB""" 13 7 -
Enums colorsEnum { "red", "white", "blue"} 13 6 -
Message Passing "get pldb" 12 1 -
Maps {name: "PLDB"} 12 0 -
Type Casting (float)pldbRank; 12 0 -
Variadic Functions args.map(doSomething) 11 0 -
Structs struct pldbFile { int rank; char *title; }; 11 0 -
Assert Statements assert(isTrue) 11 1 -
Static Typing int pldbRank = 100 10 0 -
Regular Expression Syntax Sugar /pldb/ 10 11 -
Module Pattern module PLDB {} 10 0 -
Manual Memory Management malloc(4); 10 0 -
Iterators for lang in pldb() 10 1 -
Interfaces interface PLDBFile 10 1 -
Symbol Tables SymbolName|Type|Scope;bar|function,double|extern 9 0 -
Namespaces namespace PLDB {} 9 4 -
Generics function identity<T>(arg: T): T 9 1 -
Function Composition o = (f, g) => x => f(g(x)) 9 1 -
Polymorphism a + "b"; 1 + 2 8 1 -
Partial Application add5 = num => addNumbers(10, num) 8 0 -
Mixins extends pldbFile, diskFile 8 0 -
Infix Notation 1 + 2 8 0 -
Here Document `A big multliline text block` 8 1 -
Gotos goto 10 8 4 -
Fixed Point Numbers 80766866.00 8 7 -
Pattern Matching fib 0 = 1; fib 1 = 1 7 1 -
Homoiconicity (list ()) 7 1 -
Generators yield 2 7 0 -
Characters char character = 'P'; 7 0 -
Async Await async downloadPldb => await getFiles() 7 3 -
Anonymous Functions () => printPldb() 7 0 -
Function Overloading add(string: str, string2: str) 6 6 -
Expressions (1 + 2) 6 0 -
Destructuring {title, rank} = pldbFile 6 0 -
Default Parameters Pattern say(message = "Hello PLDB") 6 0 -
Disk Output write("pldb.csv", "...") 6 11 -
Shebang #! /run 6 0 -
Units of Measure 42cm 5 5 -
Union Types any = string | number 5 0 -
Templates template TCopy(T) {} 5 4 -
Methods pldbFile.downloadWebsite() 5 0 -
hasForEachLoops 5 0 -
Dynamic Properties pldb.score = 50 5 1 -
Merges Whitespace result = 1 + 2 4 0 -
Letter-first Identifiers pldb100 = "OK" // 100pldb = "ERROR" 4 0 -
Typed Holes 2 + _ => 2 + [int|float] 4 0 -
Statements print "Hello PLDB" 4 0 -
Single-Type Arrays const pldbRanks: int[] 4 0 -
Sets {"pldb", "PLDB"} 4 1 -
References fn(objPointer) 4 0 -
Range Operator 1 ... 10 4 0 -
Pipes ls pldb | wc 4 1 -
Multiple Dispatch collide_with(x::Spaceship, y::Spaceship) 4 4 -
Map Functions pldbFiles.map(downloadFilesFn) 4 0 -
Magic Getters and Setters get(name) => obj[name] 4 3 -
Implicit Type Casting console.log("hello " + 2) 4 0 -
hasForLoops 4 0 -
First-Class Functions [2.1].map(Math.round) 4 0 -
Duck Typing length() // makes me an iterator 4 1 -
Doc comments // param1: A comment about the first param 4 0 -
Dependent types pldbSortedList // a list where is sorted is true 4 1 -
Binary Operators 1 + 1 4 0 -
Breakpoints debugger; 3 0 -
Unicode Identifers 未 = 0.00001 3 1 -
Unary Operators count++ 3 0 -
Streams echo 123 | 123.txt 3 0 -
Source Maps {file: 'pldb.min.js',sources: ['pldb.js'], mappings: 'CAAC,IAAI,IAAM'} 3 0 -
Prefix Notation + 1 2 3 0 -
Postfix Notation 2 3 4 + 2 - 3 0 -
Null uhOh = null 3 0 -
Method Chaining pldbFile.toString().length 3 0 -
Lazy Evaluation print(range(1000000)[2]) 3 0 -
hasDynamicTyping 3 0 -
Dispose Blocks Pattern with pldb: do computeRanks() 3 1 -
hasContinue 3 0 -
hasBreak 3 0 -
Algebraic Data Type garageContents = empty | vehicle 3 0 -
Virtual function virtual FetchPLDBFile(); 2 0 -
Variable Substitution Syntax name = "PLDB"; print $name 2 20 -
Type Parameters function identity<T>(arg: T): T {return arg} 2 0 -
Type Annotations score: number 2 0 -
Traits use redBorder 2 0 -
hasSymbols 2 0 -
Static Methods static downloadPldb() {} 2 0 -
Runtime Guards f x | x > 0 = 1 | otherwise = 0 2 0 -
hasReservedWords 2 1 -
hasLabels 2 0 -
hasIfs 2 0 -
hasIfElses 2 0 -
hasEscapeCharacters 2 0 -
hasDecimals 2 0 -
hasBoundedCheckedArrays 2 0 -
hasArraySlicingSyntax 2 0 -
Abstract Types abstract class PLDBFile {} 2 2 -
Zippers pldbCursor.moveLeft() 1 0 -
hasVoidFunctions 1 0 -
hasValueReturnedFunctions 1 0 -
hasUserDefinedOperators 1 2 -
hasTryCatch 1 1 -
Triples Javascript isListedIn PLDB 1 0 -
hasTimestamps 1 0 -
hasStringConcatOperator 1 0 -
hasStatementTerminatorCharacter 1 0 -
hasSelfOrThisWord 1 0 -
hasSExpressions 1 1 -
hasRequiredMainFunction 1 0 -
Refinement Types evenInt where int % 2 = 0 1 0 -
Processor Registers eax 2 1 3 -
Pairs (pl . db) 1 0 -
Monad g >>= f 1 0 -
hasMemberVariables 1 0 -
Implicit Arguments shout(implicit message: string) 1 0 -
hasIds 1 0 -
hasGlobalScope 1 0 -
hasFnArguments 1 0 -
hasExports 1 0 -
hasDynamicSizedArrays 1 0 -
hasClobs 1 0 -
hasBuiltInRegex 1 2 -
hasBlobs 1 1 -
canUseQuestionMarksAsPartOfIdentifier 1 1 -
canReadCommandLineArgs 1 0 -
hasMethodOverloading 0 1 -

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