Stanislav Gorborukov slavo23
slavo23
/ arena_tree.py
Created
April 8, 2023 21:54
Python example of a tree that uses arena allocation
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| from typing import TypeVar, List, Optional | |
| from functools import partial | |
| T = TypeVar('T') | |
| class TreeNodeTy: | |
| pass | |
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| interface IGroupedElements<T> { | |
| [value: string]: T[] | |
| } | |
| const groupBy = <T, U>(collection: T[], predicate: (elem: T) => U): IGroupedElements<T> => { | |
| return collection.reduce((accumulator, current) => { | |
| const output = predicate(current).toString() | |
| if (output in accumulator) { |
slavo23
/ binaryStringToIntegral.hs
Created
February 22, 2021 13:45
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| module Main where | |
| binaryToIntegral :: Integral a => String -> a | |
| binaryToIntegral xs = sum $ map fst bits | |
| where count = length xs - 1 | |
| bits = filter ((/= zero) . snd) $ zip (map (2^) [count, pred count..0]) xs | |
| zero = '0' | |
| main :: IO () |