Instance Methodswift-algorithms 1.2.1Algorithms->Swift

    trimPrefix(while:)

    Mutates a Collection by discarding all elements at the start of it which satisfy the given predicate.

    Trim.swift:61
    mutating func trimPrefix(while predicate: (Element) throws -> Bool) rethrows
    Mangled symbol
    sSl10AlgorithmsSmRzrlE10trimPrefix5whileySb7ElementQzKXE_tKF What are these?
    FNV24 hash
    2R8N8
    Constraints
    where Self:RangeReplaceableCollection

    Parameters

    predicate

    A closure which determines if the element should be removed from the string.

    This example uses trimPrefix(while:) to remove the white space at the beginning of the string:

    let myString = "  hello, world  "
myString.trimPrefix(while: \.isWhitespace)
print(myString) // "hello, world  "