Coroutines: Built-in Support vs. Library

Components of coroutines

When talking about coroutines, it’s common to refer to them as a single concept. They consist of two components: built-in support provided by the Kotlin language (compiler support and elements in the Kotlin standard library), and the Kotlin coroutines library (named kotlinx.coroutines). Sometimes they are treated as the same entity, but they are very different.

Built–in support

Built-in language support is minimalistic. We ...