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Marc VertesandGitHub b0c5e1d858 interp: fix a bug when assigning to an empty interface
The concrete type was not forwarded propertly in case of a binary
expression involving a valueT. The corresponding part in type.go
has been refactored and the now the multi-assign case should be
handled as well.

Fixes #1094.
2021-05-07 16:30:09 +02:00

42 lines
480 B
Go

package main
func main() {
b := 2 // int
var c int = 5 + b
println(c)
var d int32 = 6 + int32(b)
println(d)
var a interface{} = 7 + b
println(a.(int))
var e int32 = 2
var f interface{} = 8 + e
println(f.(int32))
a = 9 + e
println(a.(int32))
var g int = 2
a = 10 + g
println(a.(int))
// multiple assignment
var foo interface{}
foo, a = "hello", 11 + g
println(a.(int))
println(foo.(string))
}
// Output:
// 7
// 8
// 9
// 10
// 11
// 12
// 13
// hello