Explicitly mark visibility in function SOLHINT-W1044

Explicitly mark visibility in function.

Bad Practice

1. Functions without explicitly marked visibility

function b() { }

Recommended

1. Functions explicitly marked with visibility

function b() internal { }
function b() external { }
function b() private { }
function b() public { }
constructor() public { }

Learn more

func-visibility on Solhint's documentation.