Journal

This repo is my Go learning journal.

Check Version Used

Go -

go version

Go Lint -

golangci-lint --version

Installation

Go - Download and install go from here Godoc -

go install golang.org/x/tools/cmd/godoc@latest

Launch godoc by -

godoc -http :8000

then visit localhost:8000/pkg/ to access Go docs.

Errcheck -

go install github.com/kisielk/errcheck@latest

Instruction 1: Go project initialization

go mod init github.com/himalayanegi10/go-with-tests

Instruction 2: Running a go file

go run <filename>.go

Instruction 3: Testing in Go

go test

Instruction 4: Run Example in Go

go test -v

Instruction 5: Benchmarking in Go

In Linux -

go test -bench=.

In windows -

go test -bench="."

Sample Output-

goos: windows
goarch: amd64
pkg: github.com/himalayanegi10/go-with-tests/src/iteration
cpu: AMD Ryzen 7 5800H with Radeon Graphics
BenchmarkRepeat-16      13069944                88.61 ns/op
PASS
ok      github.com/himalayanegi10/go-with-tests/src/iteration   1.681s

Instruction 6: Coverage in Go

Coverage can be tested by -

go test -cover

Instruction 7: Error Check in Go

errcheck is used to check errors -

errcheck .

Instruction 8: Race test in Go

Race can be tested by -

go test -race

Instruction 9: Vet in Go

Code can be tested for subtle bugs by vet

go vet

Instruction 10: Download packages in Go

New packages used in imports can be downloaded by mod tidy

go mod tidy