Method writeOperatorWithWrapping

parser/unparser.go:541–568

writeOperatorWithWrapping outputs the operator and inserts a newline for operators configured in the unparser options.

(fun string, unmangled string)

// writeOperatorWithWrapping outputs the operator and inserts a newline for operators configured
// in the unparser options.
func (un *unparser) writeOperatorWithWrapping(fun string, unmangled string) bool {
	_, wrapOperatorExists := un.options.operatorsToWrapOn[fun]
	lineLength := un.str.Len() - un.lastWrappedIndex + len(fun)

	if wrapOperatorExists && lineLength >= un.options.wrapOnColumn {
		un.lastWrappedIndex = un.str.Len()
		// wrapAfterColumnLimit flag dictates whether the newline is placed
		// before or after the operator
		if un.options.wrapAfterColumnLimit {
			// Input: a && b
			// Output: a &&\nb
			un.str.WriteString(" ")
			un.str.WriteString(unmangled)
			un.str.WriteString("\n")
		} else {
			// Input: a && b
			// Output: a\n&& b
			un.str.WriteString("\n")
			un.str.WriteString(unmangled)
			un.str.WriteString(" ")
		}
		return true
	}
	un.str.WriteString(" ")
	un.str.WriteString(unmangled)
	un.str.WriteString(" ")
	return false
}

// Defined defaults for the unparser options
var (