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src/java.base/share/classes/java/lang/String.java

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rev 51726 : 8203442: String::transform
Reviewed-by: smarks, rriggs, sherman

*** 35,44 **** --- 35,45 ---- import java.util.Formatter; import java.util.Locale; import java.util.Objects; import java.util.Spliterator; import java.util.StringJoiner; + import java.util.function.Function; import java.util.regex.Matcher; import java.util.regex.Pattern; import java.util.regex.PatternSyntaxException; import java.util.stream.Collectors; import java.util.stream.IntStream;
*** 2970,2979 **** --- 2971,2999 ---- .orElse(0); return indent(n - outdent, true); } /** + * This method allows the application of a function to {@code this} + * string. The function should expect a single String argument + * and produce an {@code R} result. + * + * @param f functional interface to a apply + * + * @param <R> class of the result + * + * @return the result of applying the function to this string + * + * @see java.util.function.Function + * + * @since 12 + */ + public <R> R transform(Function<String, R> f) { + return f.apply(this); + } + + /** * This object (which is already a string!) is itself returned. * * @return the string itself. */ public String toString() {
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