github.com/gnolang/gno@v0.0.0-20240520182011-228e9d0192ce/gnovm/tests/files/assign23.gno (about) 1 package main 2 3 func main() { 4 m := map[string]int{"a": 1} 5 var s int 6 var ok bool 7 s, ok += m["a"] 8 println(s, ok) 9 } 10 11 // Error: 12 // main/files/assign23.gno:7: assignment operator += requires only one expression on lhs and rhs