//+build !js

package vecty

func init() {
	panic("vecty: only GopherJS compiler is supported")
}

// +build !js

package vecty

func init() {
	panic("vecty: only GopherJS compiler is supported")
}

Use canonical format for build constraint.
Use canonical format for build constraint.

This improves consistency.

See https://godoc.org/go/build#hdr-Build_Constraints for definition of a build constraint:

> A build constraint, also known as a build tag, is a line comment that begins
>
> 	// +build