E0120
A missing comma between the declared fields of a struct or the variants of an enum.
Machine-applicable fix: Insert the ,.
Example
This program fails with E0120.
struct Point {
x: Int
y: Int
}
Fixed
The same program, fixed.
struct Point {
x: Int,
y: Int
}
Listed in the checker notes. oskac explain E0120 prints this entry offline.