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June 23, 2018 00:51
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Reason Phantom Type Animal usage
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| /* Link to playground: https://bit.ly/2IUSbXw */ | |
| let larry = Animal.makeDog("Larry"); | |
| let larsa = Animal.makeDog("Larsa"); | |
| let mark = Animal.makeCat("Mark"); | |
| let marla = Animal.makeCat("Marla"); | |
| /* ✅ Mates 2 dogs and then mates 2 cats*/ | |
| Js.log(Animal.mate(larry, larsa)); | |
| Js.log(Animal.mate(mark, marla)); | |
| /* 🛑Errors with 1 dog 1 cat when uncommented at compile time */ | |
| /* Js.log(Animal.mate(larry, marla)); */ |
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