func (c *Config) HasLegacyProxy() bool {
	// We exclude the no proxy value as it has default value.
	return c.HTTPProxy() != "" ||
		c.HTTPSProxy() != "" ||
		c.FTPProxy() != ""
}
// HasLegacyProxy returns true if there is any proxy set using the old legacy proxy keys.
HasLegacyProxy returns true if there is any proxy set using the old legacy proxy keys.
// HasLegacyProxy returns true if there is any proxy set using the old legacy proxy keys .
func (c *Config) HasLegacyProxy() bool {
	return c.HTTPProxy() != "" ||
		c.HTTPSProxy() != "" ||
		c.FTPProxy() != ""
}
func ( c * Config ) HasLegacyProxy ( ) bool { return c . HTTPProxy ( ) != " " || c . HTTPSProxy ( ) != " " || c . FTPProxy ( ) != " " }
HasLegacyProxy returns true if there is any proxy set using the old legacy proxy keys.
HasLegacyProxy returns true if there is any proxy set using the old legacy proxy keys .
// We exclude the no proxy value as it has default value.