()
| 120 | type opCycleError []string |
| 121 | |
| 122 | func (e opCycleError) Error() string { |
| 123 | var b strings.Builder |
| 124 | b.WriteString("operator cycle found: ") |
| 125 | for i, op := range e { |
| 126 | if i > 0 { |
| 127 | b.WriteString(" -> ") |
| 128 | } |
| 129 | b.WriteString(op) |
| 130 | } |
| 131 | return b.String() |
| 132 | } |
| 133 | |
| 134 | var ( |
| 135 | badExpr = &sem.BadExpr{} |