Function MapDepth

codegen/transformer.go:174–176

MapDepth returns the level of nested maps. For unnested maps, it returns 0.

(m *expr.Map)

// MapDepth returns the level of nested maps. For unnested maps, it returns 0.
func MapDepth(m *expr.Map) int {
	return mapDepth(m.ElemType.Type, 0)
}

func mapDepth(dt expr.DataType, depth int, seen ...map[string]struct{}) int {
	if mp := expr.AsMap(dt); mp != nil {