forked from signalfx/signalfx-go-tracing
/
util.go
50 lines (47 loc) · 1.07 KB
/
util.go
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package tracer
import (
"strconv"
"strings"
)
// toFloat64 attempts to convert value into a float64. If it succeeds it returns
// the value and true, otherwise 0 and false.
func toFloat64(value interface{}) (f float64, ok bool) {
switch i := value.(type) {
case byte:
return float64(i), true
case float32:
return float64(i), true
case float64:
return i, true
case int:
return float64(i), true
case int16:
return float64(i), true
case int32:
return float64(i), true
case int64:
return float64(i), true
case uint:
return float64(i), true
case uint16:
return float64(i), true
case uint32:
return float64(i), true
case uint64:
return float64(i), true
default:
return 0, false
}
}
// parseUint64 parses a uint64 from either an unsigned 64 bit base-10 string
// or a signed 64 bit base-10 string representing an unsigned integer
func parseUint64(str string) (uint64, error) {
if strings.HasPrefix(str, "-") {
id, err := strconv.ParseInt(str, 10, 64)
if err != nil {
return 0, err
}
return uint64(id), nil
}
return strconv.ParseUint(str, 10, 64)
}