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EachKey: do not allocate array if there is no need #208

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merged 1 commit into from Nov 24, 2020
Merged

EachKey: do not allocate array if there is no need #208

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10 changes: 6 additions & 4 deletions parser.go
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Expand Up @@ -422,13 +422,15 @@ func EachKey(data []byte, cb func(int, []byte, ValueType, error), paths ...[]str
// for unescape: if there are no escape sequences, this is cheap; if there are, it is a
// bit more expensive, but causes no allocations unless len(key) > unescapeStackBufSize
var keyUnesc []byte
var stackbuf [unescapeStackBufSize]byte
if !keyEscaped {
keyUnesc = key
} else if ku, err := Unescape(key, stackbuf[:]); err != nil {
return -1
} else {
keyUnesc = ku
var stackbuf [unescapeStackBufSize]byte
if ku, err := Unescape(key, stackbuf[:]); err != nil {
return -1
} else {
keyUnesc = ku
}
}

if maxPath >= level {
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