gofmt

Format Go source code. More information: https://golang.org/cmd/gofmt/.

• Format a file and display the result to the console:

gofmt source.go

• Format a file, overwriting the original file in-place:

gofmt -w source.go

• Format a file, and then simplify the code, overwriting the original file:

gofmt -s -w source.go

• Print all (including spurious) errors:

gofmt -e source.go