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/*
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.perfmark;
/**
* This interface is equivalent to {@code java.util.function.Function}. It is here as a
* compatibility shim to make PerfMark compatible with Java 6. This will likely be removed if
* PerfMark picks Java 8 as the minimum support version. See {@link PerfMark} for expected usage.
*
* @since 0.22.0
* @param <T> The type to turn into a String.
*/
public interface StringFunction<T> {
/**
* Takes the given argument and produces a String.
*
* @since 0.22.0
* @param t the subject to Stringify
* @return the String
*/
String apply(T t);
}
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