package strings

// Transformation functions

builtin title : (v: string) => string

builtin toUpper : (v: string) => string

builtin toLower : (v: string) => string

builtin trim : (v: string, cutset: string) => string

builtin trimPrefix : (v: string, prefix: string) => string

builtin trimSpace : (v: string) => string

builtin trimSuffix : (v: string, suffix: string) => string

builtin trimRight : (v: string, cutset: string) => string

builtin trimLeft : (v: string, cutset: string) => string

builtin toTitle : (v: string) => string

builtin hasPrefix : (v: string, prefix: string) => bool

builtin hasSuffix : (v: string, suffix: string) => bool

builtin containsStr : (v: string, substr: string) => bool

builtin containsAny : (v: string, chars: string) => bool

builtin equalFold : (v: string, t: string) => bool

builtin compare : (v: string, t: string) => int

builtin countStr : (v: string, substr: string) => int

builtin index : (v: string, substr: string) => int

builtin indexAny : (v: string, chars: string) => int

builtin lastIndex : (v: string, substr: string) => int

builtin lastIndexAny : (v: string, chars: string) => int

builtin isDigit : (v: string) => bool

builtin isLetter : (v: string) => bool

builtin isLower : (v: string) => bool

builtin isUpper : (v: string) => bool

builtin repeat : (v: string, i: int) => string

builtin replace : (v: string, t: string, u: string, i: int) => string

builtin replaceAll : (v: string, t: string, u: string) => string

builtin split : (v: string, t: string) => [string]

builtin splitAfter : (v: string, t: string) => [string]

builtin splitN : (v: string, t: string, n: int) => [string]

builtin splitAfterN : (v: string, t: string, i: int) => [string]

builtin joinStr : (arr: [string], v: string) => string

builtin strlen : (v: string) => int

builtin substring : (v: string, start: int, end: int) => string