eyelash/lambdas.md

Created November 27, 2022 09:22

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Language
Syntax


Python
lambda x: x + 1

JavaScript
x => x + 1 
 x => { return x + 1; }

TypeScript
(x: number): number => { return x + 1; }

Java
x -> x + 1 
 (int x) -> { return x + 1; }

Kotlin
{ x -> x + 1 } 
 { x: Int -> x + 1 }

Swift
{ $0 + 1 } 
 { x in x + 1 } 
 { (x: Int) -> Int in return x + 1 }

Rust
|x| x + 1

C++
[](int x) -> int { return x + 1; }

Haskell
\x -> x + 1



  

Language	Syntax
Python	`lambda x: x + 1`
JavaScript	`x => x + 1` `x => { return x + 1; }`
TypeScript	`(x: number): number => { return x + 1; }`
Java	`x -> x + 1` `(int x) -> { return x + 1; }`
Kotlin	`{ x -> x + 1 }` `{ x: Int -> x + 1 }`
Swift	`{ $0 + 1 }` `{ x in x + 1 }` `{ (x: Int) -> Int in return x + 1 }`
Rust	`\|x\| x + 1`
C++	`[](int x) -> int { return x + 1; }`
Haskell	`\x -> x + 1`