使用 尾随 Lambda 语法 的调用方式 :将第二个函数参数提取到括号外面 , 也就是将 Lambda 表达式 写在括号的外部 ; 代码语言:javascript 代码运行次数:0 运行 AI代码解释 foo(5){x->x*x} 二、Kotlin 中使用 Lambda 表达式替代对象表达式原理 1、Lambda 替换对象表达式 在使用Kotlin开发时 , 经常遇到这种情况 ...
一、尾随 Lambda - Trailing Lambda 语法 尾随Lambda - Trailing Lambda 语法 :满足如下两个条件 , 可以 使用 尾随 Lambda 语法 ; 函数作为参数 , 并且 该函数参数 是最后一个参数 , 那么可以 将最后一个参数 放在 括号外面 , 括号外使用 Lambda 表达式作为参数 ; 使用 尾随 Lambda 语法 可以使代码 更简洁 ,...
原文地址:Kotlin Demystified: Understanding Shorthand Lambda Syntax 原文作者:Nicole Borrelli 译文出自:掘金翻译计划本文永久链接...然而 selector,看起来很整洁,它必须是允许我们在上面使用 it.pageCount 的东西,所以让我们...
Up to this point, we’ve explored two methods of passing a function as a parameter to a higher-order function in Kotlin: employing a lambda or a function reference. As previously highlighted, functions are treated as first-class citizens in Kotlin. Consequently, we canassign a function referen...
This syntax is an interesting part of Kotlin. It says to executemainimmediately and provides therunBlockingfunction (from thekotlinx.coroutineslibrary) as the implementation. It passes in the code block defined as the argument (known as atrailing lambda). Whatever is defined in the body of the...
ExplicitItLambdaParameter ExpressionBodySyntax ForbiddenComment ForbiddenImport ForbiddenMethodCall ForbiddenSuppress ForbiddenVoid FunctionOnlyReturningConstant LoopWithTooManyJumpStatements MagicNumber MandatoryBracesIfStatements MandatoryBracesLoops MaxChainedCallsOnSameLine ...
Kotlin supports the trailing lambda convention: the lambda can be moved out of the parentheses. Such a lambda can also begin on the following line. This convention causes confusion sometimes when the compiler assumes that the curly braces on the next line should be the lambda argument of the ...
A lambda with a receiver is a way to define a lambda expression that has access to a specific receiver object. Inside the body of the function literal, the receiver object passed to a call becomes an implicit this, so that you can access the members of that receiver object without any ad...
3. lambda,虽然也是转化成functional interface,但是真的为编码人员省了不知多少心,再加上trailing lambda convention,可读性完爆java 4. constructor coroutine方面: 1. 把原来的callback hell用sync风格打包到一个coroutine里面,network,dao等等的异步模块基本和callback说拜拜了,直接写“同步风格代码” ...
Such syntax is also known as trailing lambda. If the lambda is the only argument in that call, the parentheses can be omitted entirely: run { println("...") } || it: implicit name of a single parameter It's very common for a lambda expression to have only one parameter....