Setup – New Kotlin Range Operator: rangeUntil

Kotlin 1.7.20 comes with a new Kotlin rangeUntil operator (preview):

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~ 1 minutes read

In order to use the new operator, you need to enable the -language-version 1.8 flag.

You can set the language-version 1.8 in build.gradle.kts:

^{source code}

An experimental annotation must be added, e.g.: @OptIn(ExperimentalStdlibApi::class) and the new rangeUntil operator has the same functionality that the until operator:

^{source code}

Source Code

• gb.com/ls/Kotlin-Ranges-New-Until
• cb.org/ls/Kotlin-Ranges-New-Until