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Solidity Programming Essentials
book

Solidity Programming Essentials

by Ritesh Modi
April 2018
Intermediate to advanced content levelIntermediate to advanced
222 pages
5h 28m
English
Packt Publishing
Content preview from Solidity Programming Essentials

The for loop

One of the most famous and most used loops is the for loop, and we can use it in Solidity. The general structure of a for loop is as follows:

for (initialize loop counter; check and test the counter; increase the value of counter;) {     Execute multiple instructions here  }

for is a keyword in Solidity and it informs the compiler that it contains information about looping a set of instructions. It is very similar to the while loop; however it is more succinct and readable since all information can be viewed in a single line.

The following code example shows the same solution: looping through a mapping. However, it uses the for loop instead of the while loop. The i variable is initialized, incremented by 1 in every iterator, and checked ...

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Publisher Resources

ISBN: 9781788831383Supplemental Content