• what is jsig?
  • history
    • started in April 2013 at AgileMD to help humans communicate about code
    • ad hoc, to document function signatures
    • later, to document object structures
    • grew out of ideas explored in npm.im/tracery
  • goals: precise & concise & for humans
  • pointers to other things: jsonschema, typescript, atscript, flow
• get started using it
  • complementary to markdown, javascript comments
    • AgileMD uses it in documentation, github issues, and source comments
  • syntax
    • Any
    • literal values
    • builtin types
    • type & complex types
    • Generics
    • Functions
    • types as sets
    • fun examples
    • ontology & subtyping
  • tools
    • parser
    • fuzzer
    • checker
• feedback