# Joseph - [x] Solidity - function #### function 宣告 scope - public 全域使用, contract 外部、內部、繼承皆可使用 - external 只有 for 外部使用 但 ```this.f()```可以使用 - internal 內部、繼承皆可使用 - privacy 只有 for 內部使用 參考資料 https://www.itread01.com/content/1546054868.html https://medium.com/taipei-ethereum-meetup/solidity-weekly-12-106fba877053 - [x] Solidity - function 讀取 - view 只讀取 storage varibles - pure 讀取的狀態連 storage varibles 都沒有 沒有 side effect https://medium.com/taipei-ethereum-meetup/solidity-weekly-11-70c5208a3bf1
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