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https://github.com/redis/go-redis.git
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0ef6d0727d
- Adds support for handling push notifications with RESP3. - Using this support adds handlers for hitless upgrades. --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Hristo Temelski <hristo.temelski@redis.com>
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package util
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import (
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"fmt"
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"math"
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"strconv"
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)
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// ParseFloat parses a Redis RESP3 float reply into a Go float64,
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// handling "inf", "-inf", "nan" per Redis conventions.
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func ParseStringToFloat(s string) (float64, error) {
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switch s {
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case "inf":
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return math.Inf(1), nil
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case "-inf":
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return math.Inf(-1), nil
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case "nan", "-nan":
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return math.NaN(), nil
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}
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return strconv.ParseFloat(s, 64)
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}
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// MustParseFloat is like ParseFloat but panics on parse errors.
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func MustParseFloat(s string) float64 {
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f, err := ParseStringToFloat(s)
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if err != nil {
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panic(fmt.Sprintf("redis: failed to parse float %q: %v", s, err))
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}
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return f
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}
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// SafeIntToInt32 safely converts an int to int32, returning an error if overflow would occur.
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func SafeIntToInt32(value int, fieldName string) (int32, error) {
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if value > math.MaxInt32 {
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return 0, fmt.Errorf("redis: %s value %d exceeds maximum allowed value %d", fieldName, value, math.MaxInt32)
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}
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if value < math.MinInt32 {
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return 0, fmt.Errorf("redis: %s value %d is below minimum allowed value %d", fieldName, value, math.MinInt32)
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}
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return int32(value), nil
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}
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