Created
June 12, 2021 23:11
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package main | |
import ( | |
"encoding/json" | |
"fmt" | |
) | |
type A struct { | |
ValA int `json:"valA"` | |
ValB int`json:"valB"` | |
} | |
var input = A{} | |
func main() { | |
dataSequence := [][]byte{ | |
[]byte(`{"valA": 1, "valB": 1}`), | |
[]byte(`{"valA": "invalid", "valB": 3}`), // valA fails to parse | |
[]byte(`{}`), // everything omitted | |
} | |
var As = make([]A, len(dataSequence)) | |
for i, data := range dataSequence { | |
if err := json.Unmarshal(data, &input); err == nil { | |
As[i] = input | |
} else { | |
// skips second element with invalid `valA` | |
} | |
} | |
output, _ := json.Marshal(As[len(As)-2:]) // last two elements | |
fmt.Println(string(output)) | |
} |
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