Copyright | Copyright (C) 2021 Yoo Chung |
---|---|

License | GPL-3.0-or-later |

Maintainer | dev@chungyc.org |

Safe Haskell | Safe-Inferred |

Language | GHC2021 |

Some solutions to Problems.P04 of Ninety-Nine Haskell Problems.

## Synopsis

- myLength :: [a] -> Int
- myLength' :: [a] -> Int
- myLength'' :: [a] -> Int
- myLength''' :: [a] -> Int

# Documentation

myLength :: [a] -> Int Source #

Find the number of elements of a list.

Add 1 for each element by induction.

myLength'' :: [a] -> Int Source #

Find the number of elements of a list.

Map elements to 1 and return their sum.

myLength''' :: [a] -> Int Source #

Find the number of elements of a list.

Add 1 for each element by induction, but tail recursively.