Kotlin 中也有一个类似功能的注解,叫做 Suppress,本文主要讲讲这个注解有什么用。...然后就可以使用 Suppress 让编译器闭嘴! @Suppress("UNSAFE_CALL") println((null as String?)....这个时候可以用 Suppress 把这个后门打开。 @Suppress("CANNOT_CHECK_FOR_ERASED") 例2 类型别名。...@Suppress("UNSUPPORTED") val bs: BooleanArray = [true, false, true] 这是个未完成的功能,目前只支持数组。...结尾 想知道更多的Suppress选项的话,可以去翻Kotlin的源码。 这种无法得到官方支持的奇技淫巧,也许下次更新就挂掉了,所以如果用了那就后果自负吧。 ----
replace SuppressWarnings 与 Suppress 在 Java 代码中,如果需要消除一些编译时的警告,通常使用 @SuppressWarnings(“xxx”) 来进行解决的,而在...Kotlin 中,不能使用这个注解,需要使用Kotlin中内置的 @Suppress(“xxx”) 带替代。...hello 对于有强迫症的来说这很难受,为了消除这种警告我们可以这样: @Suppress("unused") fun hello() { println("hello") } 如果是Java代码则写成这样...hello 此时为了消除这种警告,我们可以这样操作: fun unChecked(){ val list: List<Any = emptyList() @Suppress("UNCHECKED_CAST...") list as List<String } 如果在Java代码中则需要写成 @SuppressWarnings("unchecked") Kotlin 中,Suppress 支持消除的警告有很多
all warnings boxing to suppress warnings relative to boxing/unboxing operations cast to suppress warnings... to suppress warnings relative to deprecation fallthrough to suppress warnings relative to missing breaks... to suppress warnings relative to locals that hide variable incomplete-switch to suppress warnings relative...literals null to suppress warnings relative to null analysis rawtypes to suppress warnings relative...suppress warnings relative to unchecked operations unqualified-field-access to suppress warnings relative
) cast to suppress warnings relative to cast operations (抑制映射相关的警告) dep-ann to suppress warnings relative...) fallthrough to suppress warnings relative to missing breaks in switch statements (抑制确在switch中缺失breaks...to suppress warnings relative to locals that hide variable(抑制相对于隐藏变量的局部变量的警告) incomplete-switch to suppress...warnings relative to non-nls string literals( 忽略非nls格式的字符) null to suppress warnings relative to null...relative to incorrect static access( 抑制不正确的静态访问方式警告) synthetic-access to suppress warnings relative
假如我们使用 contextlib 库提供的 suppress,代码就是这样的: from contextlib import suppress nums = [3,0,3,0,3] result =...0 for num in nums: with suppress(ZeroDivisionError): result += 1/num print(result) # 1.0...从形式上看,suppress 的代码行数更少,看来也更优雅,更易于阅读理解。...= 0]) 这当然是完全正确的,上述只是以这个为例子说明下 suppress 的用法,不过当异常类型增多的时候,上述的方法也有弊端,比如数字除了不能为 0,也不能为字符串的情况, 那么就需要写成这样:...= 0 and type(x) == int]) 当异常的情况不断增多,这种写法就很难看了,而使用 suppress,只需要这样: for num in nums: with suppress
下面列举警告关键字: 关键字 用途 all to suppress all warnings (抑制所有警告) boxing to suppress warnings relative to boxing.../unboxing operations (抑制装箱、拆箱操作时候的警告) cast to suppress warnings relative to cast operations (抑制映射相关的警告...) dep-ann to suppress warnings relative to deprecated annotation (抑制启用注释的警告) deprecation to suppress...in switch statements (抑制确在switch中缺失breaks的警告) finally to suppress warnings relative to finally block...) null to suppress warnings relative to null analysis( 忽略对null的操作) rawtypes to suppress warnings relative
Here is a list for Eclipse Galileo: all to suppress all warnings boxing to suppress warnings relative...to boxing/unboxing operations cast to suppress warnings relative to cast operations dep-ann to suppress...fallthrough to suppress warnings relative to missing breaks in switch statements finally to suppress... to suppress warnings relative to incorrect static access synthetic-access to suppress warnings relative...unqualified-field-access to suppress warnings relative to field access unqualified unused to suppress
四、抑制警告的关键字 关键字 用途 all to suppress all warnings boxing to suppress warnings...to suppress warnings relative to deprecated annotation deprecation to suppress warnings relative to...to suppress warnings relative to finally block that don’t return hiding to suppress warnings relative...switch statement (enum case) nls to suppress warnings relative to non-nls string literals null to suppress...class static-access o suppress warnings relative to incorrect static access synthetic-access to suppress
处理这种警告,建议是去除inline关键字 如果执意inline时,使用@Suppress("NOTHING_TO_INLINE")压制编译器警告 INACCESSIBLE_TYPE(不可访问的类型)...{ //Unchecked cast: Any to T @Suppress("UNCHECKED_CAST") return this as?...= null' is always 'true' @Suppress("SENSELESS_COMPARISON") if (message !...= null @Suppress("UNUSED_VALUE") message = "Hello" } 移除不用变量 使用Suppress压制警告 关于@Suppress 不建议滥用...上面代码中出现了很多@Suppress主要目的是显示警告的名称,而不是提倡大家使用压制的方式处理警告。 以上。
all to suppress all warnings boxing to suppress warnings relative to boxing/unboxing operations cast...to suppress warnings relative to cast operations dep-ann to suppress warnings relative to deprecated...annotation deprecation to suppress warnings relative to deprecation fallthrough to suppress warnings...suppress warnings relative to un-specific types when using generics on class params restriction to suppress...to suppress warnings relative to field access unqualified unused to suppress warnings relative to unused
它的作用是告诉编译器忽略指定的警告信息,它可以取的值如下所示 参数 作用 原描述 all 抑制所有警告 to suppress all warnings boxing 抑制装箱、拆箱操作时候的警告 to...suppress warnings relative to boxing/unboxing operations cast 抑制映射相关的警告 to suppress warnings relative...抑制过期方法警告 to suppress warnings relative to deprecation fallthrough 抑制确在switch中缺失breaks的警告 to suppress...relative to finally block that don’t return hiding 抑制与隐藏变数的区域变数相关的警告 to suppress warnings relative to...to suppress warnings relative to un-specific types when using restriction 抑制与使用不建议或禁止参照相关的警告 to suppress
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location...Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location...Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location...Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location...ubuntu/.local/bin' which is not on PATH.Consider adding this directory to PATH or, if you prefer to suppress
For * example, if you annotate a class to suppress one warning and annotate a * method to suppress...If you want to * suppress a warning in a particular method, you should annotate that * method rather...* * The string {@code "unchecked"} is used to suppress * unchecked warnings..../unboxing operations (抑制装箱、拆箱操作时候的警告) cast to suppress warnings relative to cast...or forbidden references( 抑制禁止使用劝阻或禁止引用的警告) serial to suppress warnings relative to
为了让代码美观起来,我们可以使用contextlib模块中的suppress。...它的使用非常简单: from contextlib import suppress nums = [1, 2, 3, '4', 5, 6] for num in nums: with suppress...(TypeError): print(num + 1) 只要在 suppress上下文的缩进中发生的TypeError,都会被自动忽略。
all warnings boxing 抑制装箱、拆箱操作时候的警告 to suppress warnings relative to boxing/unboxing operations cast...抑制装箱、拆箱操作时候的警告 to suppress warnings relative to boxing/unboxing operations cast 抑制映射相关的警告 to suppress...deprecation 抑制过期方法警告 to suppress warnings relative to deprecation fallthrough 抑制确在switch中缺失breaks的警告...to suppress warnings relative to missing breaks in switch statements finally 抑制finally模块没有返回的警告 to suppress...to suppress warnings relative to field access unqualified unused 抑制没被使用过的代码的警告 to suppress warnings
dialogType, string message_text, string default_prompt_text, CefJSDialogCallback callback, out bool suppress_message...CefJSDialogType.Alert: MessageBox.Show(message_text, "XXX系统提示"); suppress_message...MessageBox.Show("系统不支持prompt形式的提示框", "UTMP系统提示"); break; } suppress_message...下面我们来解释一下代码中的内容 default_prompt_text参数: 为prompt类型的dialog服务的(这种dialog可以接收用户的输入,一般已经很少见了,我们没有实现这种类型的dialog); suppress_message...ieb.Print(str); ieb.Show(); suppress_message
Set suppress_message to true and * return false to suppress the message (suppressing messages is preferable...will show one modal dialog at a * time and suppress any additional dialog requests until the displayed...* @param suppress_message set to true to suppress displaying the message....设置suppress_message为true并使该方法返回false来抑制这个消息(抑制消息比立即执行回调更可取,因为它用于检测可能的恶意行为,如onbeforeunload中的垃圾邮件警报消息)。...设置suppress_message为false并且返回false来使用默认的实现(默认的实现将会立刻展示一个模态对话框并抑制任何额外的对话框请求直到当前展示的对话框已经销毁)。
np.sin(x) z = np.cos(x) np.savez(outfile, x, y, z_d=z) data = np.load(outfile) np.set_printoptions(suppress...0.5 2.1] 文本格式选项 numpy.set_printoptions(precision=None,threshold=None, edgeitems=None,linewidth=None, suppress...suppress:当suppress=True,表示小数不需要以科学计数法的形式输出,默认是False。 nanstr:浮点非数字的字符串表示形式,默认nan。...- (x + eps) ** 2 print(x) # [-4.9304e-32 -4.4409e-16 0.0000e+00 0.0000e+00] np.set_printoptions(suppress...2.2222 3.3333 4.4444 5.5556 6.6667 7.7778 8.8889 # 10. ] np.set_printoptions(precision=2, suppress
它的作用是告诉编译器忽略指定的警告信息,它可以取的值如下所示: 参数 作用 原描述 all 抑制所有警告 to suppress all warnings boxing 抑制装箱、拆箱操作时候的警告 to...suppress warnings relative to boxing/unboxing operations cast 抑制映射相关的警告 to suppress warnings relative...抑制过期方法警告 to suppress warnings relative to deprecation fallthrough 抑制确在switch中缺失breaks的警告 to suppress...relative to finally block that don’t return hiding 抑制与隐藏变数的区域变数相关的警告 to suppress warnings relative to...to suppress warnings relative to un-specific types when using restriction 抑制与使用不建议或禁止参照相关的警告 to suppress
它的作用是告诉编译器忽略指定的警告信息,它可以取的值如下所示:参数作用原描述all抑制所有警告to suppress all warningsboxing抑制装箱、拆箱操作时候的警告to suppress...抑制启用注释的警告to suppress warnings relative to deprecated annotationdeprecation抑制过期方法警告to suppress warnings...in switch statementsfinally抑制finally模块没有返回的警告to suppress warnings relative to finally block that don...nls格式的字符to suppress warnings relative to non-nls string literalsnull忽略对null的操作to suppress warnings relative...to suppress warnings relative to unchecked operationsunqualified-field-access抑制没有权限访问的域的警告to suppress
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