SWI-Prolog -- json_type/1

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - Supporting JSON
      - library(http/http_json): HTTP JSON Plugin module
        
        http_client:http_convert_data/4
        
        is_json_content_type/1
        
        json_type/1
        
        post_data_hook/3
        
        http_read_json/2
        
        http_read_json/3
        
        http_read_json_dict/2
        
        http_read_json_dict/3
        
        reply_json/1
        
        reply_json/2
        
        reply_json_dict/1
        
        reply_json_dict/2

Availability::- use_module(library(http/http_json)).

Source

[semidet,multifile]json_type(?MediaType)

True if MediaType is a JSON media type. http_json:json_type/1 is a multifile predicate and may be extended to facilitate non-conforming clients.

MediaType

is a term Type/SubType, where both Type and SubType are atoms.