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26 lines
461 B
Go
26 lines
461 B
Go
package protocol
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import (
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"context"
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)
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type key int
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const (
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userKey key = iota
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)
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// ContextWithUser returns a context combined with an User.
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func ContextWithUser(ctx context.Context, user *User) context.Context {
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return context.WithValue(ctx, userKey, user)
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}
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// UserFromContext extracts an User from the given context, if any.
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func UserFromContext(ctx context.Context) *User {
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v := ctx.Value(userKey)
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if v == nil {
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return nil
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}
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return v.(*User)
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}
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