本文整理了Java中play.libs.F类的一些代码示例，展示了F类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。F类的具体详情如下：
包路径：play.libs.F
类名称：F

F介绍

[英]Defines a set of functional programming style helpers.
[中]定义一组函数式编程样式帮助器。

代码示例

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Converts a scala {@code Tuple2} to a java F.Tuple.
 *
 * @param tuple the Scala Tuple.
 * @param <A> input parameter type
 * @param <B> return type.
 * @return an instance of Tuple with the elements.
 */
public static <A, B> F.Tuple<A, B> asJava(scala.Tuple2<A, B> tuple) {
  return F.Tuple(tuple._1(), tuple._2());
}

代码示例来源：origin: com.typesafe.play/play_2.10

/**
 * Constructs a left side of the disjoint union, as opposed to the Right side.
 *
 * @param value The value of the left side
 * @return A left sided disjoint union
 */
public static <A, B> Either<A, B> Left(A value) {
  return new Either<A, B>(Some(value), None());
}

代码示例来源：origin: com.typesafe.play/play-java_2.10

/**
 * Populates this form with an existing value, used for edit forms.
 *
 * @param value existing value of type <code>T</code> used to fill this form
 * @return a copy of this form filled with the new data
 */
@SuppressWarnings("unchecked")
public Form<T> fill(T value) {
  if(value == null) {
    throw new RuntimeException("Cannot fill a form with a null value");
  }
  return new Form(rootName, backedType, new HashMap<String,String>(), new HashMap<String,ValidationError>(), Some(value), groups);
}

代码示例来源：origin: play/play-java

@SuppressWarnings("unchecked")
public Form(String name, Class<T> clazz) {
  this(name, clazz, new HashMap<String,String>(), new HashMap<String,List<ValidationError>>(), None(),  null);
}

代码示例来源：origin: com.google.code.maven-play-plugin.org.playframework/play

@SuppressWarnings("unchecked")
public static void attachDataSource(DataSource dataSource, String name, String description, String disposition) {
  Map<String, Object> map = infos.get();
  if (map == null) {
    throw new UnexpectedException("Mailer not instrumented ?");
  }
  List<T4<DataSource, String, String, String>> datasourceList = (List<T4<DataSource, String, String, String>>) map.get("datasources");
  if (datasourceList == null) {
    datasourceList = new ArrayList<>();
    map.put("datasources", datasourceList);
  }
  datasourceList.add(F.T4(dataSource, name, description, disposition));
  infos.set(map);
}

代码示例来源：origin: com.google.code.maven-play-plugin.org.playframework/play

public static <A, B, C> E3<A, B, C> _3(C value) {
  return new E3(None, None, Some(value));
}

代码示例来源：origin: com.typesafe.play/play-java_2.10

@SuppressWarnings("unchecked")
public Form(String name, Class<T> clazz) {
  this(name, clazz, new HashMap<String,String>(), new HashMap<String,List<ValidationError>>(), None(),  null);
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Converts a scala {@code Tuple2} to a java F.Tuple.
 *
 * @param tuple the Scala Tuple.
 * @param <A> input parameter type
 * @param <B> return type.
 * @return an instance of Tuple with the elements.
 */
public static <A, B> F.Tuple<A, B> asJava(scala.Tuple2<A, B> tuple) {
  return F.Tuple(tuple._1(), tuple._2());
}

代码示例来源：origin: com.google.code.maven-play-plugin.org.playframework/play

public static <A, B, C, D> E4<A, B, C, D> _3(C value) {
  return new E4(None, None, Some(value), None);
}

代码示例来源：origin: com.typesafe.play/play_2.10

/**
 * Constructs a right side of the disjoint union, as opposed to the Left side.
 *
 * @param value The value of the right side
 * @return A right sided disjoint union
 */
public static <A, B> Either<A, B> Right(B value) {
  return new Either<A, B>(None(), Some(value));
}

代码示例来源：origin: com.typesafe.play/play-java_2.10

@SuppressWarnings("unchecked")
public Form(String name, Class<T> clazz, Class<?> groups) {
  this(name, clazz, new HashMap<String,String>(), new HashMap<String,List<ValidationError>>(), None(), groups);
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Converts a scala {@code Tuple2} to a java F.Tuple.
 *
 * @param tuple the Scala Tuple.
 * @param <A> input parameter type
 * @param <B> return type.
 * @return an instance of Tuple with the elements.
 */
public static <A, B> F.Tuple<A, B> asJava(scala.Tuple2<A, B> tuple) {
  return F.Tuple(tuple._1(), tuple._2());
}

代码示例来源：origin: play/play-java

/**
 * Populates this form with an existing value, used for edit forms.
 *
 * @param value existing value of type <code>T</code> used to fill this form
 * @return a copy of this form filled with the new data
 */
@SuppressWarnings("unchecked")
public Form<T> fill(T value) {
  if(value == null) {
    throw new RuntimeException("Cannot fill a form with a null value");
  }
  return new Form(rootName, backedType, new HashMap<String,String>(), new HashMap<String,ValidationError>(), Some(value), groups);
}

代码示例来源：origin: play/play-java

return new Form(rootName, backedType, data, errors, None(), groups);
} else {
  Object globalError = null;
      errors = (Map<String,List<ValidationError>>)globalError;
    return new Form(rootName, backedType, data, errors, None(), groups);
  return new Form(rootName, backedType, new HashMap<String,String>(data), new HashMap<String,List<ValidationError>>(errors), Some((T)result.getTarget()), groups);

代码示例来源：origin: play/play-java

@SuppressWarnings("unchecked")
public Form(String name, Class<T> clazz, Class<?> groups) {
  this(name, clazz, new HashMap<String,String>(), new HashMap<String,List<ValidationError>>(), None(), groups);
}

代码示例来源：origin: com.typesafe.play/play_2.10

/**
 *  Convert a scala Tuple2 to a java F.Tuple.
 */
public static <A, B> F.Tuple<A, B> asJava(scala.Tuple2<A, B> tuple) {
  return F.Tuple(tuple._1(), tuple._2());
}

代码示例来源：origin: com.google.code.maven-play-plugin.org.playframework/play

public static <A, B> Either<A, B> _2(B value) {
  return new Either(None, Some(value));
}

代码示例来源：origin: com.typesafe.play/play-java-forms

@Override
public Tuple<String, Object[]> getErrorMessageKey() {
  return Tuple(message, new Object[] { regex });
}

代码示例来源：origin: com.google.code.maven-play-plugin.org.playframework/play

public static <A, B> Either<A, B> _1(A value) {
  return new Either(Some(value), None);
}

代码示例来源：origin: com.typesafe.play/play-java-forms_2.12

@Override
public Tuple<String, Object[]> getErrorMessageKey() {
  return Tuple(message, new Object[] { regex });
}