Add return two int sum value.

CheckWebsites check multiple websites liveness status.

CheckWebsitesWithChannel check multiple websites liveness status with a channel.

Countdown calculates time elapsed in seconds.

CountdownWithSleeper with a sleeper dependency.

Greet welcome to everyone.

Hello say welcome to go.

PerimeterV1 calculates the around of Rectangle.

Repeat generates a duplicated chars.

ErrNotFound stands for word not found error.

ErrWordExists stands for word exists error.

Error Definition of Wallet.

Circle stands for shape.

ConfigurableSleeper with a duration.

Rectangle for shape.

SpySleeper implement of Sleeper.

Triangle stands for shape (isosceles).

Wallet for Bitcoin.

Shape for abstract.

Sleeper of abstract.

Bitcoin in wallet.

Dict alias for map[string]string.

DictErr stands dict error type.

Lang type of language.

WebsiteChecker check website liveness.