# C++ bool 判斷 ## condition_A && condition_B 如果`condition_A==false`,不會計算`condition_B`,直接回傳`false` ## condition_A || condition_B 如果`condition_A==true`,不會計算`condition_B`,直接回傳`true` ## condition ? block_A : block_B 1. 先計算`condition` 2. 若`condition==true`,計算並回傳`block_A`,不會計算`block_B` 3. 若`condition==false`,計算並回傳`block_B`,不會計算`block_A` ###### tags: `c++` `cpp`
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