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Description

A tiny date object in Go. Tinydate uses 4 bytes of memory vs the 24 bytes of a standard time.Time{}

A tinydate only has day precision. It has no knowledge of hours, minutes, seconds, or timezones.

Programming language: Go

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README

go-tinydate

A tiny date object in Go. Tinydate uses 4 bytes of memory vs the 24 bytes of a standard time.Time{}

A tinydate only has day precision. It has no knowledge of hours, minutes, seconds, or timezones.

โš™๏ธ Installation

go get github.com/lane-c-wagner/go-tinydate

๐Ÿš€ Quick Start

package main

import (
    tinydate "github.com/lane-c-wagner/go-tinydate"
)

func main(){
    td, err := tinydate.New(2020, 04, 3)
    if err != nil {
        fmt.Println(err.Error())
    }

    td = td.Add(time.Hour * 48)
    fmt.Println(td)
    // prints 2020-04-05
}

Need Second Precision? Go-TinyTime

I've had people ask why go-tinydate doesn't use unix time as the underlying data, rather than day-month-year. Day-month-year supports dates from year 0 to year 65535. Unix timestamps only supports dates from 1970 to 2106. If you need more precision, take a look at go-tinytime which uses unix time underneath and supports second precision.

Why?

If you don't have resource constraints, then don't use tinydate! Use the standard time pacakge.

go-tinydate works well in the following situations:

  • You are working in embedded systems where memory is a luxury
  • You are storing many dates and smaller memory footprint is desired
  • You are 101% sure you don't need more than date precision

Example:

I needed to store many thousands of dates in memory in order to keep track of which IDs I had seen in the last X number of days. As such, I had a giant map[int]time.Time. Switching from map[int]time.Time to map[int]tinydate.TinyDate reduced my program's memory from an average ~1GB to ~200MB.

๐Ÿ’ฌ Contact

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API

Godoc: https://godoc.org/github.com/lane-c-wagner/go-tinydate

Tinydate mirrors the time.Time API for the most part. The only methods that are not included are the ones that makes no sense with only day precision, or without timezones apart from UTC.

Formatting

All formatting is done via the time.Time package's formatting capabilites, but anything besides date data will be zeroed out for obvious reasons.

Transient Dependencies

None! And it will stay that way, except of course for the standard library.

Note: Currently the testify package is used only for testing, but that dependency will be removed in coming updates.

๐Ÿ‘ Contributing

I love help! Contribute by forking the repo and opening pull requests. Please ensure that your code passes the existing tests and linting, and write tests to test your changes if applicable.

All pull requests should be submitted to the "master" branch.

go test
go fmt