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user 49620
https://docs.soliditylang.org/en/v0.8.12/types.html
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Error encoding arguments: SyntaxError: Unexpected token e in JSON at position 2 while string...
Below is my contract code:
pragma solidity ^0.5.1;
library Strings {
function concat(string memory _base, string memory _value) internal returns (string memory) {
bytes memory _baseBytes … (_newValue);
}
}
contract TestStrings {
using Strings for string;
function testCOntract(string memory _base) public returns(string memory) {
return _base.concat("_suffix");
} …
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