Implicits

object Implicits

Provides extension methods and implicit conversions.

class Object

trait Matchable

class Any

Givens

Converts Array to JsonArray.

Converts BigDecimal to JsonNumber.

Converts BigInt to JsonNumber.

Converts Boolean to JsonBoolean.

Converts Double to JsonNumber.

Converts Right to JsonValue using right converter or converts Left using left.

Converts Failure to JsonNull.

Converts Float to JsonNumber.

Converts Int to JsonNumber.

Converts Iterable to JsonArray.

Converts JsonNumber to BigDecimal.

Converts JsonNumber to BigInt.

Converts JsonBoolean to Boolean.

Converts JsonNumber to Double.

Converts JsonNumber to Float.

Converts JsonNumber to Int.

Converts JsonNumber to Long.

Converts JsonNumber to Short.

Converts JsonString to String.

Converts JsonArray to collection of converted values.

Converts JsonValue to Right using right converter or to Left using left if right is unsuccessful.

Casts value to JsonArray.

Casts value to JsonBoolean.

Casts value to JsonNull.

Casts value to JsonNumber.

Casts value to JsonObject.

Casts value to JsonString.

Returns JsonValue.

Converts JsonValue to Some or returns None if value is JsonNull.

Converts JsonValue to Success or returns Failure if unsuccessful.

Converts Left to JsonValue.

Converts Long to JsonNumber.

Converts None to JsonNull.

Converts Some to JsonValue or returns JsonNull if None.

Converts Right to JsonValue.

Converts Short to JsonNumber.

Converts String to JsonString.

Converts Success to JsonValue or returns JsonNull if Failure.

Converts (String, T) to (String, JsonValue).

Extensions

extension (json: JsonValue)

@targetName("at")

Gets value in JSON object.

Value Params

name: field name

Throws

ClassCastException: if not JsonObject

@targetName("at")

Gets value in JSON array.

Value Params

index: array index

Throws

ClassCastException: if not JsonArray

@targetName("collect")

Collects values with given field name while traversing nested objects and arrays.

import little.json.Json
import little.json.Implicits.{ *, given }

val json = Json.parse("""{
 "node": {
   "name": "localhost",
   "users": [
     { "id": 0,    "name": "root" },
     { "id": 1000, "name": "jza"  }
   ]
 }
}""")

val names = (json \\ "name").map(_.as[String])

assert { names == Seq("localhost", "root", "jza") }

Value Params

name: field name