No time to learn #Solidity ❓
It will only take you 2 minutes to learn what Function Modifiers are.
👇🧵
It will only take you 2 minutes to learn what Function Modifiers are.
👇🧵
➡️Function modifiers are used to change the behavior of a function.
➡️They can be used to add requirements to functions, restrict access, validate inputs, etc.
➡️They can be used to add requirements to functions, restrict access, validate inputs, etc.
👇First let's see how it is defined
➡️Within the modifier declaration, you establish a condition to be fulfilled
➡️You can do this with a require, a conditional statement,...
➡️ Then there's an underscore ( _; ), which is used to tell Solidity to execute the rest of the code.
➡️Within the modifier declaration, you establish a condition to be fulfilled
➡️You can do this with a require, a conditional statement,...
➡️ Then there's an underscore ( _; ), which is used to tell Solidity to execute the rest of the code.
Let's see an example:
A contract with a function that allows changing the owner of the contract (and that can only be called by the current owner)
A contract with a function that allows changing the owner of the contract (and that can only be called by the current owner)
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Drop a 👋 if you are interested in #Solidity and #Web3 content
Let's connect👉 @Web3Oscar
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Drop a 👋 if you are interested in #Solidity and #Web3 content
Let's connect👉 @Web3Oscar
https://twitter.com/Web3Oscar/status/1523236721965510656?s=20&t=L4eGnIVukfsTVCyBgGyrXA
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