IsZero reports whether "v" is zero value or no.

newKey simply return a key object with given Values.

newKey simply return a key object with given Values.

newKey simply return a key object with given Values.

Read creates a new property set and fills it with the contents of a file.

properties 别名.

yaml 别名.

yaml 别名.

KeyValue represents a key under a section.

ValueMapper represents a mapping function for Values, e.g.