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Update README.md
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@ -25,7 +25,7 @@ To provide a simple way to create blood types, implement the trait `FromStr` for
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Implement the following Traits:
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- `std::cmp::Ord`: to make possible to sort a vector or array of `BloodType`.
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- `std::Debug`: for `BloodType`, allowing us print a vector such as `[BloodType { antigen: A, rh_factor: Positive}, BloodType{ antigen: B, rh_factor: Negative}]` as `"[ A+, A-]"` when using format strings `{:?}`.
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- `std::Debug`: for `BloodType`, allowing us print a vector such as `[BloodType { antigen: A, rh_factor: Positive}, BloodType{ antigen: B, rh_factor: Negative}]` as `"[ A+, B-]"` when using format strings `{:?}`.
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Create three methods for BloodType:
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- `can_receive_from`: which returns `true` if `self` can receive blood from `other` blood type.
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