function modifyIfNecessaryimport { modifyIfNecessary } from "https://dotland.deno.dev/x/pg_mem@2.6.3/utils.ts"; modifyIfNecessary<T>(values: T[], mapper: (input: T) => T | nil): T[]Modify an array if necessary Type ParametersTParametersvalues: T[]mapper: (input: T) => T | nilReturnsT[]