Check for key explicitly with `key?`
Check for key explicitly with `key?`

Co-authored-by: Rylan Polster <047d2ca1b3c34ce9eb9510507a88377ec1f9cce9@gmail.com>
JCount/brew,claui/brew,nandub/brew,claui/brew,nandub/brew,Homebrew/brew,EricFromCanada/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,EricFromCanada/brew,MikeMcQuaid/brew,Homebrew/brew,nandub/brew,EricFromCanada/brew,claui/brew,nandub/brew,Homebrew/brew,claui/brew,JCount/brew,Homebrew/brew,JCount/brew,EricFromCanada/brew,MikeMcQuaid/brew,JCount/brew