E1010: lexical

E1010 lexical — a character, string or number the lexer cannot read.

A compile-time error of soma check, the checker of the Soma programming language (soma explain E1010).

The rule

E1010 is a lexer error: a character, string or number that Soma cannot read at all, such as a ;, a single-quoted string or a backtick. Soma has no semicolons; statements are separated by newlines, and soma check adds that hint for ;. Delete the semicolon.

A program that triggers it

cell Invoice {
    on total(amount: Int, tax: Int) {
        let sum = amount + tax;
        return sum
    }
}

What soma check prints:

$ soma check wrong.cell
error: unexpected character ';'
  --> wrong.cell:3:31
  |
3 |         let sum = amount + tax;
  |                               ^
  hint: Soma has no semicolons — one statement per line
  = code: E1010

The fix

On line 3, let sum = amount + tax; becomes let sum = amount + tax.

--- wrong.cell
+++ right.cell
@@ -1,5 +1,5 @@
 cell Invoice {
     on total(amount: Int, tax: Int) {
-        let sum = amount + tax;
+        let sum = amount + tax
         return sum
     }

With the fix, soma check accepts the program:

$ soma check right.cell
✓ All checks passed.