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Update README.md

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Remington S 2 years ago committed by Niccolò Primo
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      subjects/blood_types/README.md

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subjects/blood_types/README.md

@ -25,7 +25,7 @@ To provide a simple way to create blood types, implement the trait `FromStr` for
Implement the following Traits: Implement the following Traits:
- `std::cmp::Ord`: to make possible to sort a vector or array of `BloodType`. - `std::cmp::Ord`: to make possible to sort a vector or array of `BloodType`.
- `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 `{:?}`. - `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 `{:?}`.
Create three methods for BloodType: Create three methods for BloodType:
- `can_receive_from`: which returns `true` if `self` can receive blood from `other` blood type. - `can_receive_from`: which returns `true` if `self` can receive blood from `other` blood type.

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