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/** | |
* Perform a throwing expression, and throw a custom error in case the expression threw | |
* | |
* - parameter expression: The expression to execute | |
* - parameter error: The custom error to throw instead of the expression's error | |
* - throws: The given error | |
* - returns: The return value of the given expression | |
*/ | |
func perform<T>(_ expression: @autoclosure () throws -> T, orThrow errorExpression: @autoclosure () -> Error) throws -> T { | |
do { |