AfterString Get substring after a string.

BeforeString Get substring before a string.

Get string between two string.

FileWithLineNum return the file name and line number of the current file.

IsCompound ...

IsFunc check if args is func kind.

IsMap check if arg is map kind.

IsPtr check if arg is pointer kind.

IsSlice check if arg is slice kind.

IsStruct check if arg is struct kind.

Must is a helper function that takes a value of any type and an error.

Or check if testValue is empty, if empty return defaultValue.

delete the pointer from value.