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metadata: use new helper

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2020-10-12 17:20:52 +03:00
parent 0a5b34a07b
commit a59aae760f
1 changed files with 3 additions and 6 deletions
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9
metadata/metadata.go
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@ -43,10 +43,7 @@ func (md Metadata) Del(key string) {
// Copy makes a copy of the metadata // Copy makes a copy of the metadata
func Copy(md Metadata) Metadata { func Copy(md Metadata) Metadata {
if len(md) == 0 { nmd := New(len(md))
return make(Metadata, DefaultMetadataSize)
}
nmd := make(Metadata, len(md))
for key, val := range md { for key, val := range md {
nmd.Set(key, val) nmd.Set(key, val)
} }
@ -56,7 +53,7 @@ func Copy(md Metadata) Metadata {
func Del(ctx context.Context, key string) context.Context { func Del(ctx context.Context, key string) context.Context {
md, ok := FromContext(ctx) md, ok := FromContext(ctx)
if !ok { if !ok {
md = make(Metadata, DefaultMetadataSize) md = New(0)
} }
md.Del(key) md.Del(key)
return context.WithValue(ctx, metadataKey{}, md) return context.WithValue(ctx, metadataKey{}, md)
@ -66,7 +63,7 @@ func Del(ctx context.Context, key string) context.Context {
func Set(ctx context.Context, key, val string) context.Context { func Set(ctx context.Context, key, val string) context.Context {
md, ok := FromContext(ctx) md, ok := FromContext(ctx)
if !ok { if !ok {
md = make(Metadata, DefaultMetadataSize) md = New(0)
} }
md.Set(key, val) md.Set(key, val)
return context.WithValue(ctx, metadataKey{}, md) return context.WithValue(ctx, metadataKey{}, md)