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this in solidity

Abdullah Ashfaq answered on May 10, 2022 Popularity 10/10 Helpfulness 1/10

answer this in solidity

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this in solidity

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To access a member (like a state variable) of the current contract, you do not typically add the this. prefix, you just access it directly via its name. Unlike in some other languages, omitting it is not just a matter of style, it results in a completely different way to access the member, but more on this later.

Popularity 10/10 Helpfulness 1/10 Language objectivec

Source: docs.soliditylang.org

Tags: objective-c solidity this

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Contributed on Dec 20 2022

Abdullah Ashfaq

0 Answers Avg Quality 2/10

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// `for` is used to attach functions to variable types.

// Example:
function sum(uint a, uint b) returns(uint) {
  return a + b;
}

using sum for uint;

// then you can use this inside your contracts:
contract MyContract {
  function add1(uint num) public pure returns(uint) {
    return num.sum(1);
    // `num` is passed as the first parameter (`a`) and `1` as the second (`b`)
  }
}

// You can also use libraries this way:

library Math {
  function sum(uint a, uint b) returns(uint) {
    return a + b;
  }
  
  function sub1(uint x) returns(uint) {
    return(x - 1);
  }
}

contract MyContract {
  using Math for uint;
  
  function uselessCalculation(uint x, uint y) returns(uint) {
  	return x.sum(y).sub1();
  }
  
}

Popularity 10/10 Helpfulness 1/10 Language solidity

Source: Grepper

Tags: solidity solidit

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Contributed on May 10 2022

Sheeeev66

0 Answers Avg Quality 2/10

this in solidity

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