as null and zero are not the same thing. Perhaps theMissingKotlinParameterExceptionshould be the default behaviour, and some kind of annotation could set an option to allow either converting nulls to 0, false, "" etc, or to allow replacing the inputnullwith the default value if a default v...
KT-72302 K2: no error on type operator in annotation parameter default value KT-72173 K2: simple object names from root package are resolved without imports in non-root packages when used as values Compose compiler b/376058538 Fix stack overflow when inferring stability of indirect generic loop ...
They must have a single parameter; The parameter must not accept variable number of arguments and must have no default value. 代码语言:javascript 复制 infix fun Int.shl(x: Int): Int { ... } // calling the function using the infix notation 1 shl 2 // is the same as 1.shl(2) Infi...
* * Coroutine builders like [launch][CoroutineScope.launch] and [async][CoroutineScope.async] accept an optional [CoroutineStart] * parameter that allows one to optionally choose the [undispatched][CoroutineStart.UNDISPATCHED] behavior to start coroutine immediately, * but to be resumed only in t...
默认参数 是一个简短而易用的功能，它可以让您无需模版代码便可实现函数重载。和 Kotlin 所提供的许多...
fundefaultParameter(x:Int=5,y:String,z:Long=0L){...}funmain(){defaultParameter(y="aaa")} 4.4 高阶函数 参数类型包含函数类型或返回值类型为函数类型的函数为高阶函数 publicinlinefun<R>IntArray.map(transform:(Int)->R):List<R>{//参数类型包含函数类型(Int) -> R,返回值类型包含函数类型List...
Default Arguments默认实参 ...you can assign a default value for a parameter that will be assigned if no argument is specified. private fun castFireball(numFireballs: Int = 2) { println("A glass of Fireball springs into existence. (x$numFireballs)") ...
Intrinsics.checkParameterIsNotNull($this$registerTextWatcher,"$receiver"); $this$registerTextWatcher.beforeTextChanged((Function4)(newFunction4 { // $FF: synthetic method // $FF: bridge method publicObjectinvoke(Object var1, Object var2, Object var3, Object var4){ ...
return joinToString$default(collection, (String)null, (String)null, (String)null, 14, (Object)null); } public static final void testExtend(@NotNull Container $receiver) { Intrinsics.checkParameterIsNotNull($receiver, "$receiver"); String var1 = "call the container testExtend method"; ...
returns()implies(valueisT) }</reified> assertTrue(valueisT) } Because theTtype parameter is reified, you can check its type in the function body. This is now also possible inside the contract. A similar function with the assertion message will be added to thekotlin.testlibrary later....