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package graphql
import (
"encoding/json"
"fmt"
"io"
"strconv"
)
func MarshalFloat(f float64) Marshaler {
return WriterFunc(func(w io.Writer) {
io.WriteString(w, fmt.Sprintf("%g", f))
})
}
func UnmarshalFloat(v interface{}) (float64, error) {
switch v := v.(type) {
case string:
return strconv.ParseFloat(v, 64)
case int:
return float64(v), nil
case int64:
return float64(v), nil
case float64:
return v, nil
case json.Number:
return strconv.ParseFloat(string(v), 64)
default:
return 0, fmt.Errorf("%T is not an float", v)
}
}
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