Created
May 7, 2021 09:26
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SuccessFailure discussion
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void main() { | |
final result = SuccessFailure<void, void>.success(1); | |
print(result.success); | |
print(result.failure); | |
} | |
typedef Callback<T> = void Function(T value); | |
class SuccessFailure<S, F> { | |
factory SuccessFailure.success([S result = null]) { | |
return SuccessFailure._success(result, null); | |
} | |
factory SuccessFailure.failure([F failure = null]) { | |
return SuccessFailure._failure(null, failure); | |
} | |
final bool _isSuccess; | |
SuccessFailure._success(this._success, this._failure) : _isSuccess = true; | |
SuccessFailure._failure(this._success, this._failure) : _isSuccess = false; | |
final S _success; | |
final F _failure; | |
bool get isSuccess => _isSuccess; | |
bool get isFailure => !isSuccess; | |
S get success => _success; | |
F get failure => _failure; | |
} |
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