This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| birthDay : Event | |
| birthDay = MkEvent "Happy BirthDay" [IntVar, StrCst " years old, ", StrVar] | |
| -- In the REPL: | |
| > logEvent birthDay [IntVal 32, StrVal "Quentin"] -- Values match the placeholder expected types | |
| Just "Happy BirthDay: 32 years old, Quentin" | |
| > logEvent birthDay [StrVal "Quentin", IntVal 32] -- Wrong placeholder types (inverted) | |
| Nothing | |
| > logEvent birthDay [IntVal 32] -- Missing placeholder value | |
| Nothing |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment