Syntax Lookup

Enter some language construct you want to know more about.
This is the open object type syntax.

Use {..} to describe object types that must contain some fields but may contain additional fields.

Example

ReScriptJS Output
type named<'a> = {.."name": string} as 'a

let getName: named<_> => string = obj => obj["name"]

let name = getName({"name": "Ada", "age": 36})

References