
Scala example source code file (Boolean.scala)
The Boolean.scala Scala example source code/* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _  / / / _  (c) 20022013, LAMP/EPFL ** ** __\ \/ /__/ __ / /__/ __  http://scalalang.org/ ** ** /____/\___/_/ _/____/_/   ** ** / ** \* */ // DO NOT EDIT, CHANGES WILL BE LOST // This autogenerated code can be modified in scala.tools.cmd.gen. // Afterwards, running tools/codegenanyvals regenerates this source file. package scala /** `Boolean` (equivalent to Java's `boolean` primitive type) is a * subtype of [[scala.AnyVal]]. Instances of `Boolean` are not * represented by an object in the underlying runtime system. * * There is an implicit conversion from [[scala.Boolean]] => [[scala.runtime.RichBoolean]] * which provides useful nonprimitive operations. */ final abstract class Boolean private extends AnyVal { /** Negates a Boolean expression. * *  `!a` results in `false` if and only if `a` evaluates to `true` and *  `!a` results in `true` if and only if `a` evaluates to `false`. * * @return the negated expression */ def unary_! : Boolean /** Compares two Boolean expressions and returns `true` if they evaluate to the same value. * * `a == b` returns `true` if and only if *  `a` and `b` are `true` or *  `a` and `b` are `false`. */ def ==(x: Boolean): Boolean /** * Compares two Boolean expressions and returns `true` if they evaluate to a different value. * * `a != b` returns `true` if and only if *  `a` is `true` and `b` is `false` or *  `a` is `false` and `b` is `true`. */ def !=(x: Boolean): Boolean /** Compares two Boolean expressions and returns `true` if one or both of them evaluate to true. * * `a  b` returns `true` if and only if *  `a` is `true` or *  `b` is `true` or *  `a` and `b` are `true`. * * @note This method uses 'shortcircuit' evaluation and * behaves as if it was declared as `def (x: => Boolean): Boolean`. * If `a` evaluates to `true`, `true` is returned without evaluating `b`. */ def (x: Boolean): Boolean /** Compares two Boolean expressions and returns `true` if both of them evaluate to true. * * `a && b` returns `true` if and only if *  `a` and `b` are `true`. * * @note This method uses 'shortcircuit' evaluation and * behaves as if it was declared as `def &&(x: => Boolean): Boolean`. * If `a` evaluates to `false`, `false` is returned without evaluating `b`. */ def &&(x: Boolean): Boolean // Compiler won't build with these seemingly more accurate signatures // def (x: => Boolean): Boolean // def &&(x: => Boolean): Boolean /** Compares two Boolean expressions and returns `true` if one or both of them evaluate to true. * * `a  b` returns `true` if and only if *  `a` is `true` or *  `b` is `true` or *  `a` and `b` are `true`. * * @note This method evaluates both `a` and `b`, even if the result is already determined after evaluating `a`. */ def (x: Boolean): Boolean /** Compares two Boolean expressions and returns `true` if both of them evaluate to true. * * `a & b` returns `true` if and only if *  `a` and `b` are `true`. * * @note This method evaluates both `a` and `b`, even if the result is already determined after evaluating `a`. */ def &(x: Boolean): Boolean /** Compares two Boolean expressions and returns `true` if they evaluate to a different value. * * `a ^ b` returns `true` if and only if *  `a` is `true` and `b` is `false` or *  `a` is `false` and `b` is `true`. */ def ^(x: Boolean): Boolean override def getClass(): Class[Boolean] = null } object Boolean extends AnyValCompanion { /** Transform a value type into a boxed reference type. * * Runtime implementation determined by `scala.runtime.BoxesRunTime.boxToBoolean`. See [[https://github.com/scala/scala src/library/scala/runtime/BoxesRunTime.java]]. * * @param x the Boolean to be boxed * @return a java.lang.Boolean offering `x` as its underlying value. */ def box(x: Boolean): java.lang.Boolean = java.lang.Boolean.valueOf(x) /** Transform a boxed type into a value type. Note that this * method is not typesafe: it accepts any Object, but will throw * an exception if the argument is not a java.lang.Boolean. * * Runtime implementation determined by `scala.runtime.BoxesRunTime.unboxToBoolean`. See [[https://github.com/scala/scala src/library/scala/runtime/BoxesRunTime.java]]. * * @param x the java.lang.Boolean to be unboxed. * @throws ClassCastException if the argument is not a java.lang.Boolean * @return the Boolean resulting from calling booleanValue() on `x` */ def unbox(x: java.lang.Object): Boolean = x.asInstanceOf[java.lang.Boolean].booleanValue() /** The String representation of the scala.Boolean companion object. */ override def toString = "object scala.Boolean" } Other Scala source code examplesHere is a short list of links related to this Scala Boolean.scala source code file: 
... this post is sponsored by my books ...  
#1 New Release! 
FP Best Seller 
Copyright 19982021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.