Signature: mapGet(map: Map<t0, t1>, key: t0) -> Result<t1, Error>

Description: Returns the value associated with the key, or an error if the key is absent.

Parameters

• map (Map<t0, t1>): The map to look up in
• key (t0): The key to find

Returns: Result<t1, Error>

Example

match mapGet(scores, "alice") {
  Success { value } => print(value)
  Error { message } => print(message)
}