Use modern Kotlin stdlib idioms

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.kotlin.migrate.UseModernKotlinStdlibApis$KtRecipe

If the recipe isn’t available locally, install it with:

mod config recipes jar install io.moderne.recipe:recipes-kotlin:0.2.0

Definition

This recipe runs the following recipes in order.

• Use uppercase() instead of toUpperCase()org.openrewrite.kotlin.migrate.UseUppercase$KtRecipe
• Use lowercase() instead of toLowerCase()org.openrewrite.kotlin.migrate.UseLowercase$KtRecipe
• Use uppercase(locale) instead of toUpperCase(locale)org.openrewrite.kotlin.migrate.UseUppercaseWithLocale$KtRecipe
• Use lowercase(locale) instead of toLowerCase(locale)org.openrewrite.kotlin.migrate.UseLowercaseWithLocale$KtRecipe
• Use replaceFirstChar { … } instead of capitalize()org.openrewrite.kotlin.migrate.UseCapitalize$KtRecipe
• Use replaceFirstChar { it.lowercase() } instead of decapitalize()org.openrewrite.kotlin.migrate.UseDecapitalize$KtRecipe
• Use appendLine() instead of appendln()org.openrewrite.kotlin.migrate.UseAppendLine$KtRecipe
• Use appendLine(value) instead of appendln(value)org.openrewrite.kotlin.migrate.UseAppendLineWithValue$KtRecipe
• Use appendLine(char) instead of appendln(char)org.openrewrite.kotlin.migrate.UseAppendLineChar$KtRecipe
• Use appendLine(cs) instead of appendln(cs) (CharSequence)org.openrewrite.kotlin.migrate.UseAppendLineCharSequence$KtRecipe
• Use appendLine(value) instead of appendln(value) (Any?)org.openrewrite.kotlin.migrate.UseAppendLineAny$KtRecipe
• Use Char.code instead of Char.toInt()org.openrewrite.kotlin.migrate.UseCharCode$KtRecipe
• Use Char.code.toByte() instead of Char.toByte()org.openrewrite.kotlin.migrate.UseCharCodeAsByte$KtRecipe
• Use Char.code.toShort() instead of Char.toShort()org.openrewrite.kotlin.migrate.UseCharCodeAsShort$KtRecipe
• Use Char.code.toLong() instead of Char.toLong()org.openrewrite.kotlin.migrate.UseCharCodeAsLong$KtRecipe
• Use Char.code.toFloat() instead of Char.toFloat()org.openrewrite.kotlin.migrate.UseCharCodeAsFloat$KtRecipe
• Use Char.code.toDouble() instead of Char.toDouble()org.openrewrite.kotlin.migrate.UseCharCodeAsDouble$KtRecipe
• Use Char.uppercaseChar() instead of Char.toUpperCase()org.openrewrite.kotlin.migrate.UseUppercaseChar$KtRecipe
• Use Char.lowercaseChar() instead of Char.toLowerCase()org.openrewrite.kotlin.migrate.UseLowercaseChar$KtRecipe
• Use Char(int) instead of Int.toChar()org.openrewrite.kotlin.migrate.UseCharCtor$KtRecipe
• Use readlnOrNull() instead of readLine()org.openrewrite.kotlin.migrate.UseReadlnOrNull$KtRecipe
• Use readln() instead of readLine()!!org.openrewrite.kotlin.migrate.UseReadln$KtRecipe
• Use sumOf instead of sumByorg.openrewrite.kotlin.migrate.UseSumOf$KtRecipe
• Use sumOf instead of sumByDoubleorg.openrewrite.kotlin.migrate.UseSumOfDouble$KtRecipe
• Use ..< instead of untilorg.openrewrite.kotlin.migrate.UseRangeUntilOperator$KtRecipe
• Use enumEntries<T>() instead of enumValues<T>()org.openrewrite.kotlin.migrate.UseEnumEntries$KtRecipe
• Use removeAt(0) instead of removeFirst()org.openrewrite.kotlin.migrate.UseRemoveAtZeroForRemoveFirst$KtRecipe
• Use removeAt(lastIndex) instead of removeLast()org.openrewrite.kotlin.migrate.UseRemoveAtLastIndexForRemoveLast$KtRecipe

Data tables

Structured output this recipe can produce.

• Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
• Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
• Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
• Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats