snippet for error loop, put it somewhere beneath ~/.config/sublime-text-3/Packages/User

errloop.sublime-snippet

<snippet>
    <content><![CDATA[
	var (
		// define the variables here that are shared along the steps
		// most variables should only by defined by the type here 
		// and are assigned inside the steps
		err error	
		${1:}
	)

	steps:
		for jump := 1; err == nil; jump++ {
			switch jump - 1 {
			default:
				break steps
			// count a number up for each following step
			case 0:
				// assign to err or vars from above
				// jump to a step by assigning jump to the step number
				${2:}
			}
		}

	// use err here
	${3:}
]]></content>
    <tabTrigger>errloop</tabTrigger>
    <scope>source.go</scope>
</snippet>