Return string in solidity 0.5.0. Data location must be “memory” for return parameter in function
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0
How to return string in 0.5.0 solidity compiler version?
contract Test {
string public text = 'show me';
function test() public view returns (string) {
return text;
}
}
I got error message:
TypeError: Data location must be "memory" for return parameter in function, but none was given.
ethereum solidity smartcontracts
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
add a comment |
0
How to return string in 0.5.0 solidity compiler version?
contract Test {
string public text = 'show me';
function test() public view returns (string) {
return text;
}
}
I got error message:
TypeError: Data location must be "memory" for return parameter in function, but none was given.
ethereum solidity smartcontracts
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
add a comment |
0
0
0
1
How to return string in 0.5.0 solidity compiler version?
contract Test {
string public text = 'show me';
function test() public view returns (string) {
return text;
}
}
I got error message:
TypeError: Data location must be "memory" for return parameter in function, but none was given.
ethereum solidity smartcontracts
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
How to return string in 0.5.0 solidity compiler version?
contract Test {
string public text = 'show me';
function test() public view returns (string) {
return text;
}
}
I got error message:
TypeError: Data location must be "memory" for return parameter in function, but none was given.
ethereum solidity smartcontracts
ethereum solidity smartcontracts
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
asked Nov 23 '18 at 13:26
Yegor ZarembaYegor Zaremba
6351317
6351317
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
3
Just need to add memory after string, like this:
function test() public view returns (string memory) {
Another changes:
https://solidity.readthedocs.io/en/v0.5.0/050-breaking-changes.html#interoperability
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
add a comment |
1
//The version I have used is 0.5.2
pragma solidity ^0.5.2;
contract Inbox{
string public message;
//**Constructor** must be defined using “constructor” keyword
//**In version 0.5.0 or above** it is **mandatory to use “memory” keyword** so as to
//**explicitly mention the data location**
//you are free to remove the keyword and try for yourself
constructor (string memory initialMessage) public{
message=initialMessage;
}
function setMessage(string memory newMessage)public{
message=newMessage;
}
function getMessage()public view returns(string memory){
return message;
}}
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
3
Just need to add memory after string, like this:
function test() public view returns (string memory) {
Another changes:
https://solidity.readthedocs.io/en/v0.5.0/050-breaking-changes.html#interoperability
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
add a comment |
3
Just need to add memory after string, like this:
function test() public view returns (string memory) {
Another changes:
https://solidity.readthedocs.io/en/v0.5.0/050-breaking-changes.html#interoperability
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
add a comment |
3
3
3
Just need to add memory after string, like this:
function test() public view returns (string memory) {
Another changes:
https://solidity.readthedocs.io/en/v0.5.0/050-breaking-changes.html#interoperability
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
Just need to add memory after string, like this:
function test() public view returns (string memory) {
Another changes:
https://solidity.readthedocs.io/en/v0.5.0/050-breaking-changes.html#interoperability
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
edited Nov 24 '18 at 9:41
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
answered Nov 23 '18 at 13:33
Yegor ZarembaYegor Zaremba
6351317
6351317
add a comment |
add a comment |
1
//The version I have used is 0.5.2
pragma solidity ^0.5.2;
contract Inbox{
string public message;
//**Constructor** must be defined using “constructor” keyword
//**In version 0.5.0 or above** it is **mandatory to use “memory” keyword** so as to
//**explicitly mention the data location**
//you are free to remove the keyword and try for yourself
constructor (string memory initialMessage) public{
message=initialMessage;
}
function setMessage(string memory newMessage)public{
message=newMessage;
}
function getMessage()public view returns(string memory){
return message;
}}
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
add a comment |
1
//The version I have used is 0.5.2
pragma solidity ^0.5.2;
contract Inbox{
string public message;
//**Constructor** must be defined using “constructor” keyword
//**In version 0.5.0 or above** it is **mandatory to use “memory” keyword** so as to
//**explicitly mention the data location**
//you are free to remove the keyword and try for yourself
constructor (string memory initialMessage) public{
message=initialMessage;
}
function setMessage(string memory newMessage)public{
message=newMessage;
}
function getMessage()public view returns(string memory){
return message;
}}
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
add a comment |
1
1
1
//The version I have used is 0.5.2
pragma solidity ^0.5.2;
contract Inbox{
string public message;
//**Constructor** must be defined using “constructor” keyword
//**In version 0.5.0 or above** it is **mandatory to use “memory” keyword** so as to
//**explicitly mention the data location**
//you are free to remove the keyword and try for yourself
constructor (string memory initialMessage) public{
message=initialMessage;
}
function setMessage(string memory newMessage)public{
message=newMessage;
}
function getMessage()public view returns(string memory){
return message;
}}
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
//The version I have used is 0.5.2
pragma solidity ^0.5.2;
contract Inbox{
string public message;
//**Constructor** must be defined using “constructor” keyword
//**In version 0.5.0 or above** it is **mandatory to use “memory” keyword** so as to
//**explicitly mention the data location**
//you are free to remove the keyword and try for yourself
constructor (string memory initialMessage) public{
message=initialMessage;
}
function setMessage(string memory newMessage)public{
message=newMessage;
}
function getMessage()public view returns(string memory){
return message;
}}
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
answered Jan 7 at 6:48
Kartik ganigaKartik ganiga
704
704
add a comment |
add a comment |
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