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Merge pull request #56 from multiformats/feat/perf

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preallocate protocol slice
This commit is contained in:
Jeromy Johnson 2017-09-20 18:40:42 -07:00 committed by GitHub
commit f5c34dfc88
1 changed files with 1 additions and 10 deletions
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11
multiaddr.go
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@ -69,16 +69,7 @@ func (m *multiaddr) String() string {
// Protocols returns the list of protocols this Multiaddr has. // Protocols returns the list of protocols this Multiaddr has.
// will panic in case we access bytes incorrectly. // will panic in case we access bytes incorrectly.
func (m *multiaddr) Protocols() []Protocol { func (m *multiaddr) Protocols() []Protocol {
ps := make([]Protocol, 0, 8)
// panic handler, in case we try accessing bytes incorrectly.
defer func() {
if e := recover(); e != nil {
err := e.(error)
panic("Multiaddr.Protocols error: " + err.Error())
}
}()
var ps []Protocol
b := m.bytes b := m.bytes
for len(b) > 0 { for len(b) > 0 {
code, n, err := ReadVarintCode(b) code, n, err := ReadVarintCode(b)