Kotlin function name with spaces

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Kotlin function name with spaces

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I really love the ability of Kotlin to add spaces to method names, which is a well-documented approach commonly used to make test names more readable :. In tests and only in testsit's acceptable to use method names with spaces enclosed in backticks.

Note that such method names are currently not supported by the Android runtime. I have adopted them vigorously in a new library I'm developing, targeting the JVM. My tests show up beautifully in IntelliJ, and all is well. Should I remove all spaces from my test methods, or is there another way to have the best of both worlds? In addition, regarding the limitation that "such method names are currently not supported by the Android runtime", is this a real limitation?

kotlin function name with spaces

As long as I can run my tests on the JVM, I can still use the tested library containing no spaces in any of the methods targeting an Android runtime, correct? For tests that are JVM specific, you can continue to use backticks and spaces. This includes JUnit tests for code that you're later planning to run on Android.

The only limitation there is that you can't use spaces in tests that actually have to run in an Android environment, but the unit tests I assume JUnit run on your dev machine's JVM so they'll still work with spaces in the identifiers. Although, we can define expected declaration in the test sources of commonTest module like so:. Learn more. Spaces in test method names when targeting multiplatform Ask Question.

Asked 1 year, 8 months ago. Active 1 month ago. Viewed times. I really love the ability of Kotlin to add spaces to method names, which is a well-documented approach commonly used to make test names more readable : In tests and only in testsit's acceptable to use method names with spaces enclosed in backticks.

When I add a test with spaces I receive the following Kotlin compiler error when Gradle build runs compileTestKotlin2Js : Name contains illegal chars that can't appear in JavasScript identifier Should I remove all spaces from my test methods, or is there another way to have the best of both worlds?

Steven Jeuris Steven Jeuris Technically you can use the JsName annotation on each test to specify an alternative name that would be used for the JavaScript backend, but specifying two different names for each test isn't really a productive way of working.

Thank you for the comment. However, it seems like JsName is not accessible from a common library? As far as I understand, it will be at some point. I found more elaborate documentation on how to use JsName on Kotlin Academy. By using expect and actual you can use JsName. Active Oldest Votes. Although, we can define expected declaration in the test sources of commonTest module like so: expect annotation class JsName constructor val name: String Make it kotlin.

Jeffrey Nyauke Jeffrey Nyauke 6 6 silver badges 9 9 bronze badges.Above function calculates square of any integer and return it. In similar way, every function performs a particular task. Every kotlin program has atleast one function main. However, you can define any number of functions in your program until memory is not full. It makes program more readable, understandable and debuggable. A function declaration tells compiler following things about that function — a Name of the function.

In other words, A function declaration tells the compiler that somewhere there is a function defined with specified properties in the program. There are many inbuilt functions in kotlin standard library. For example, printprintln etc. There are 2 types of function in kotlin. Kotlin Standard library function. Kotlin User defined function. These kotlin library functions are already declared and defined in standard library. We just have to call the methods, by passing required arguments in it if any.

List of standard library functions and their task in kotlin — print : Prints the message to standard input and output. Then, moves the cursor to the next line. Above are some examples of standard library functions. However, you will get a lot more standard library functions in in standard library folder in kotlin.

Explanation: Here, we have used a library function dec that is used to decrement the value of number by 1. Note that println is also a standard library function in kotlin.

As we have already mentioned, It is always a good habit to divide the program into smaller functions that are logically similar. In order to accomplish the task, we need to define function.

A function defined by a user is called user defined function. In this section, we will learn how to create user defined function in kotlin?By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I really love the ability of Kotlin to add spaces to method names, which is a well-documented approach commonly used to make test names more readable :. In tests and only in testsit's acceptable to use method names with spaces enclosed in backticks.

Note that such method names are currently not supported by the Android runtime.

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I have adopted them vigorously in a new library I'm developing, targeting the JVM. My tests show up beautifully in IntelliJ, and all is well. Should I remove all spaces from my test methods, or is there another way to have the best of both worlds?

In addition, regarding the limitation that "such method names are currently not supported by the Android runtime", is this a real limitation?

As long as I can run my tests on the JVM, I can still use the tested library containing no spaces in any of the methods targeting an Android runtime, correct? For tests that are JVM specific, you can continue to use backticks and spaces.

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This includes JUnit tests for code that you're later planning to run on Android. The only limitation there is that you can't use spaces in tests that actually have to run in an Android environment, but the unit tests I assume JUnit run on your dev machine's JVM so they'll still work with spaces in the identifiers. Although, we can define expected declaration in the test sources of commonTest module like so:. Learn more. Spaces in test method names when targeting multiplatform Ask Question.

kotlin function name with spaces

Asked 1 year, 8 months ago. Active 1 month ago.

Coping with Kotlin’s Scope Functions: let, run, also, apply, with

Viewed times.Represents a compiled regular expression. Provides functions to match strings in text with a pattern, replace the found occurrences and split text around matches.

For pattern syntax reference see Pattern. Creates a regular expression from the specified pattern string and the default options. Creates a regular expression from the specified pattern string and the specified single option.

Creates a regular expression from the specified pattern string and the specified set of options. Indicates whether the regular expression can find at least one match in the specified input. Returns the first match of a regular expression in the inputbeginning at the specified startIndex. Returns a sequence of all occurrences of a regular expression within the input string, beginning at the specified startIndex.

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Attempts to match the entire input CharSequence against the pattern. Indicates whether the regular expression matches the entire input. Replaces all occurrences of this regular expression in the specified input string with specified replacement expression. Replaces all occurrences of this regular expression in the specified input string with the result of the given function transform that takes MatchResult and returns a string to be used as a replacement for that match.

Replaces the first occurrence of this regular expression in the specified input string with specified replacement expression. Splits the input CharSequence around matches of this regular expression. Returns an instance of Pattern with the same pattern string and options as this instance of Regex has. Returns the string representation of this regular expression, namely the pattern of this regular expression.

Returns a regular expression pattern string that matches the specified literal string literally. No characters of that string will have special meaning when searching for an occurrence of the regular expression. Returns a literal replacement expression for the specified literal string. No characters of that string will have special meaning when it is used as a replacement string in Regex.

Returns a regular expression that matches the specified literal string literally.

kotlin function name with spaces

For JVM Represents a compiled regular expression.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. As soon as Spring attempts to proxy with the transaction handler the test class it fails. Juergen Hoeller commented. A general note: Such latest-infrastructure test arrangements should always be run against the latest Spring Framework version; 5. I'm not aware of any particular differences in this area in 5.

That said, if the issue is reproducible against 5. In order to check it, I've updated my parent's pom to use spring boot 2. Benjamin Winterberg commented. I'm encountering the exact same problem while migrating our product to JDK We use Spring Framework 5.

Normal method names without backticks work as expected but Kotlin backtick method names with spaces result in the exception above. As a workaround you could rename test methods to not use backticks. However we have nearly 1. It would be quite a lot of work to rename all those tests. Any ETA when you'll work on this issue? Also please let me know if you need more info to reproduce. Looking at that stacktrace, I'm wondering why there is even a CGLIB proxy generated for the test class in the first place?Regular expressions are used for text searching and more advanced text manipulation.

Regular expressions are built-in tools like grep, sed, text editors like vi, emacs, programming languages including Kotlin, JavaScript, Perl, and Python. A pattern is a regular expression that defines the text we are searching for or manipulating.

It consists of text literals and metacharacters. Metacharacters are special characters that control how the regular expression is going to be evaluated. After we have created a pattern, we can use one of the functions to apply the pattern on a text string.

The funcions include matchescontainsMatchInfindfindallreplaceand split. The matches method returns true if the regular expression matches the entire input string. The containsMatchIn method indicates whether the regular expression can find at least one match in the specified input. In the example, we use the matches and containsMatchIn methods.

We have a list of words. The pattern will look for a 'book' string in each of the words using both methods. A regular expression pattern is created with toRegex method. The regular expression consists of four normal characters. For the containsMatchIn method, the pattern matches if the 'book' word is somewhere in the word; for the matchesthe input string must entirely match the pattern. The find method returns the first match of a regular expression in the input, beginning at the specified start index.

The start index is 0 by default. The findAll method returns a sequence of all occurrences of a regular expression within the input string. It allows to search for whole words. The split method splits the input string around matches of the regular expression. Note that the character class is double escaped. With the split method, we split the input string into a list of words.

Kotlin - Functions

In addition, we remove the blank trailing word, which was created because our text ended in a non-word character. To enable case insensitive search, we pass the RegexOption. In the example, we have eight words in a list. We apply a pattern containing two dot metacharacters on each of the words. The question mark?

In the example, we add a question mark after the dot character. This means that in the pattern we can have one arbitrary character or we can have no character there.

In the pattern, we have a word character repeated three or four times. Note that there must not be a space between the numbers. Anchors match positions of characters inside a given text. In the example, we have three sentences.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. In the function body, an execution path is possible that contains no return statement, as the only return statement is placed inside the if You don't return anything if the condition is not satifsfied.

A function with a declared value type fun num num: Int : Int in your case should always return a value of that type, and when it has a block body, that should be done with return statements, one of which should always be reached. You can fix that by adding another return statement after the if block:. Learn more. Asked 2 years ago. Active 1 year ago. Viewed 5k times. Please format this so that it's legible. Please also read this guide: stackoverflow. Because you need to return something in the else half of your condition.

Namely, if you didn't go into ifand didn't return anything yet. Active Oldest Votes. Don't forget 'if' is an expression, so you can have return if and not have the return in the 'if'. It's an acquired taste, especially if you've been coding Java for a very long time, but it's now my preferred.

kotlin function name with spaces

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