Simple Introduction to Solidity｜Lecture 18: Import

Original title: " A minimalist introduction to Solidity: 18. Import "

Original author: 0xAA 

I am re-learning solidity recently, consolidate the details, and write a "Solidity minimalist introduction" , for beginners (programmers can find another tutorial), update 1-3 lectures every week.

All codes and tutorials are open source on github: github.com/AmazingAng/WTFSolidity

solidity Support using the import keyword to import contracts in other source codes, making development more modular.

import usage

Import through the relative position of the source file, example:  < br>

  Import online contract through source file URL

Import through npm directory 

Import specific contracts through global symbols

< br>

Test the import result

We can use the following code to test whether the external source code has been successfully imported:

Summary

In this lecture, we introduced the method of using the import keyword to import external source code. import allows us to directly import code written by others, which is very convenient.

Original link

Welcome to join the official BlockBeats community:

Telegram Subscription Group: https://t.me/theblockbeats

Telegram Discussion Group: https://t.me/BlockBeats_App

Official Twitter Account: https://twitter.com/BlockBeatsAsia