DeepCopy returns a deep copy of the given object.

ExtractIntValue extract int value from a string according regexp.

ExtractStringValue extract string value from a string according regexp.

ParseBytesByType parse []byte to a value with type t.

SetMapValue set all key and value from src map to dst map, and the value of same key in the dst map will be overwritten.

SetSliceOrArrayValue append src slice or array to the end of dst.

SimpleMergeTwoValues merge two value with same type, which includes 3 cases: 1.

DeepCopiable is an interface that can be implemented by types that need to customize their deep copy behavior.

MergeValueFunc is to merge src value to dst.