What is the name of Go's mascot?
AnswerThe Gopher
Go's mascot is a gopher designed by Renee French.
Coding · Facts & stats
Go facts & stats
7 fact-checked facts about the Go programming language, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which command runs a Go program directly from source?
Answergo run
go run compiles and runs the named package or file.
Going deeper
Which operator declares and initializes a variable with type inference inside a function?
Answer:=
Short variable declaration x := 1 infers the type.
What is used to send and receive values between goroutines?
AnswerChannels
Channels are typed conduits for communicating between goroutines.
How does Go mark an identifier as exported from a package?
AnswerIts name starts with a capital letter
Capitalized names are visible outside their package.
Expert level
Go 1.18 added which major language feature in 2022?
AnswerGenerics
Type parameters, known as generics, arrived in Go 1.18.
Which statement lets a goroutine wait on multiple channel operations?
Answerselect
select blocks until one of its channel cases can proceed.
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