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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
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| #!/usr/bin/env bash | |
| : "${SLACK_API_TOKEN:?Need to set SLACK_API_TOKEN environment variable}" | |
| STATUS=$(/usr/bin/osascript <<"EOF" | |
| if application "Spotify" is running and application "Slack" is running then | |
| tell application "Spotify" | |
| set currentArtist to artist of current track as string | |
| set currentSong to name of current track as string | |
| return currentArtist & " - " & currentSong |
