Benneth Yankey papayankey

Since the introduction of the append built-in, most of the functionality of the container/vector package, which was removed in Go 1, can be replicated using append and copy.

Here are the vector methods and their slice-manipulation analogues:

AppendVector

a = append(a, b...)

Copy

Semantic Commit Messages

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Format: <type>(<scope>): <subject>

<scope> is optional

	func RemainderSorting(s []string, divisor int) []string {
	if len(s) == 0 {
	return s
	}
	sort(s, divisor)
	return s
	}

	func sort(s []string, m int) {
	// sort by remainder

	// Discriminated Union ( pattern matching )

	type Operator = 'add' \| 'sub' \| 'mul' \| 'div';

	type Num = {
	kind: 'number'
	value: number
	}

	type Operation = {

	function countBy<T extends { [key: string]: any }, K extends keyof T>(
	collection: T[],
	key: K
	) {
	return Object.values(collection).reduce(
	(accum: { [key: string]: any }, curr) => {
	accum[curr[key]] =
	accum[curr[key]] !== undefined ? (accum[curr[key]] += 1) : 1;
	return accum;
	},

	function groupBy<T extends { [key: string]: any }, K extends keyof T>(
	collection: T[],
	key: K
	) {
	return Object.values(collection).reduce(
	(accum: { [key: string]: any }, curr) => {
	accum[curr[key]] =
	accum[curr[key]] !== undefined ? [...accum[curr[key]], curr] : [curr];
	return accum;
	},

	let toString = Object.prototype.toString;

	// strict object check
	function isObject(value) {
	return toString.call(value) === '[object Object]';
	}

	// strict array check
	function isArray(value) {
	return toString.call(value) === '[object Array]';

Benneth Yankey papayankey

AppendVector

Copy

Semantic Commit Messages

Example