Module Seed.Strings
let slice: string => starti:int => ?endi:int => unit => string;
let repeat: string => times:int => string;
let splitAtIndex: string => index:int => (string, string);
let splitAtChar: string => char:char => option((string, string));
let split: string => list(char);
let contains: string => string => bool;
let startsWith: string => start:string => bool;