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Reuse logic in Elixir

Here are commons ways to reuse logic in Elixir:

1a. Move Function to other module (guards, pattern-matching) 1b. Protocol - Polymorphism

2. Behaviour Dynamic-func - with def method_name(implemetation, args)

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defmodule FlattenArray do
  @doc """
    Accept a list and return the list flattened without nil values.

    ## Examples

      iex> FlattenArray.flatten([1, [2], 3, nil])
      [1,2,3]

      iex> FlattenArray.flatten([nil, nil])

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Instructions

brew update
brew install asdf [email protected]
EDITOR=nano brew edit wxmac # Edit the file according to wxmac.patch
brew install wxmac --build-from-source

asdf plugin add erlang
asdf plugin add elixir

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package main

import (
	"bytes"
	"encoding"
	"encoding/binary"
	"io"
	"fmt"

	"stockbit.com/proto/ouch42"

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macOS / darwin

Install Dependencies

# Build-time Deps
brew install cmake
# brew install gcc@10
pip3 install gil

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module slice

func InterfaceSlice(slice interface{}) []interface{} {
	switch slice := slice.(type) {
	case []string:
		new := make([]interface{}, len(slice))
		for i, v := range slice {
			new[i] = v
		}
		return new

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let decimals = 4;
const regexpDecimals = new RegExp(`^\\d*\\.{0,1}\\d{0,${decimals}}$`);

const SignupSchema = Yup.object().shape({
  decimal: Yup.number().test(
    'is-decimal',
    'too many decimals',
    value => (value + "").match(regexpDecimals),
  ),
});

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// See: https://github.com/maticnetwork/matic.js/blob/master/examples/POS-client/config.js
const posRootChainManager = '0xBbD7cBFA79faee899Eaf900F13C9065bF03B1A74';
const posERC20Predicate = '0xdD6596F2029e6233DEFfaCa316e6A95217d4Dc34';

const accounts = useAccounts();
const userAddress = accounts?.[0]

const rootDaiContract = useContractContext(DAIDummyContext, 0);

const { send: approve } = useContractFunc(rootDaiContract, "approve");

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  interface AddEthereumChainParameter {
    chainId: string; // A 0x-prefixed hexadecimal string
    chainName: string;
    nativeCurrency: {
      name: string;
      symbol: string; // 2-6 characters long
      decimals: 18;
    };
    rpcUrls: string[];
    blockExplorerUrls?: string[];

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Enums

  enum CoverType { SMART_PROTOCOL_FAILURE, STABLECOIN_DEVALUATION, CUSTODIAN_FAILURE, RUGPULL_LIQUIDITY_SCAM }
  enum CurrencyType { USDT, DAI, USDC }
  enum InsuredSumRule { PARTIAL, FULL }
  // enum ChainType { NON_EVM , EVM }

CoinId Decimals & CurrencyDecimals