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Files
go-redis/internal/util/convert.go
Nedyalko Dyakov cb3af0800e [CAE-1072] Hitless Upgrades (#3447)
* feat(hitless): Introduce handlers for hitless upgrades

This commit includes all the work on hitless upgrades with the addition
of:

- Pubsub Pool
- Examples
- Refactor of push
- Refactor of pool (using atomics for most things)
- Introducing of hooks in pool


---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-09-03 14:49:16 +03:00

42 lines
1.1 KiB
Go

package util
import (
"fmt"
"math"
"strconv"
)
// ParseFloat parses a Redis RESP3 float reply into a Go float64,
// handling "inf", "-inf", "nan" per Redis conventions.
func ParseStringToFloat(s string) (float64, error) {
switch s {
case "inf":
return math.Inf(1), nil
case "-inf":
return math.Inf(-1), nil
case "nan", "-nan":
return math.NaN(), nil
}
return strconv.ParseFloat(s, 64)
}
// MustParseFloat is like ParseFloat but panics on parse errors.
func MustParseFloat(s string) float64 {
f, err := ParseStringToFloat(s)
if err != nil {
panic(fmt.Sprintf("redis: failed to parse float %q: %v", s, err))
}
return f
}
// SafeIntToInt32 safely converts an int to int32, returning an error if overflow would occur.
func SafeIntToInt32(value int, fieldName string) (int32, error) {
if value > math.MaxInt32 {
return 0, fmt.Errorf("redis: %s value %d exceeds maximum allowed value %d", fieldName, value, math.MaxInt32)
}
if value < math.MinInt32 {
return 0, fmt.Errorf("redis: %s value %d is below minimum allowed value %d", fieldName, value, math.MinInt32)
}
return int32(value), nil
}