- Returns
- whether the value has a subtype
- Complexity
- Constant.
- Exception safety
- No-throw guarantee: this member function never throws exceptions.
- See also
- subtype() – return the binary subtype
-
set_subtype() – sets the binary subtype
-
clear_subtype() – clears the binary subtype
- Since
- version 3.8.0
Definition at line 4357 of file json.hpp.