JSON

import json2 struct Foo { x int } struct User { // Adding a [required] attribute will make decoding fail, if that // field is not present in the input. // If a field is not [required], but is missing, it will be assumed // to have its default value, like 0 for numbers, or '' for strings, // and decoding will not fail. name string @[required] age int // Use the `@[skip]` attribute to skip certain fields. // You can also use `@[json: '-']`, and `@[sql: '-']`, which will cause only // the JSON encoder to skip the field, or only the SQL ORM to skip it. foo Foo @[skip] // If the field name is different in JSON, it can be specified last_name string @[json: lastName] } data := '{ "name": "Frodo", "lastName": "Baggins", "age": 25, "nullable": null }' user := json2.decode[User](data) or { eprintln('Failed to decode json, error: ${err}') return } println(user.name) println(user.last_name) println(user.age) // You can also decode JSON arrays: sfoos := '[{"x":123},{"x":456}]' foos := json2.decode[[]Foo](sfoos)! println(foos[0].x) println(foos[1].x)

import json2 struct User { name string score i64 } mut data := map[string]int{} user := &User{ name: 'Pierre' score: 1024 } data['x'] = 42 data['y'] = 360 println(json2.encode(data, escape_unicode: true)) // {"x":42,"y":360} println(json2.encode(user, escape_unicode: true)) // {"name":"Pierre","score":1024}