proposal: Allow differentiating between a nil string and an empty string · Issue #44219 · golang/go · GitHub
![json - how to change the values of an array to an empty string or an empty array in golang? - Stack Overflow json - how to change the values of an array to an empty string or an empty array in golang? - Stack Overflow](https://i.stack.imgur.com/xiNoH.jpg)
json - how to change the values of an array to an empty string or an empty array in golang? - Stack Overflow
![mysql - replace null value with empty string in several columns while fetching data - Stack Overflow mysql - replace null value with empty string in several columns while fetching data - Stack Overflow](https://i.stack.imgur.com/FYZll.png)
mysql - replace null value with empty string in several columns while fetching data - Stack Overflow
![go - Environment variable returns an empty string from a function in golang library - Stack Overflow go - Environment variable returns an empty string from a function in golang library - Stack Overflow](https://i.stack.imgur.com/VfwFi.png)
go - Environment variable returns an empty string from a function in golang library - Stack Overflow
![json - how to change the values of an array to an empty string or an empty array in golang? - Stack Overflow json - how to change the values of an array to an empty string or an empty array in golang? - Stack Overflow](https://i.stack.imgur.com/dtLVOl.png)