31 lines
883 B
Go
31 lines
883 B
Go
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package jsonrpc2
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// CallOption is an option that can be provided to (*Conn).Call to
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// configure custom behavior. See Meta.
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type CallOption interface {
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apply(r *Request) error
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}
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type callOptionFunc func(r *Request) error
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func (c callOptionFunc) apply(r *Request) error { return c(r) }
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// Meta returns a call option which attaches the given meta object to
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// the JSON-RPC 2.0 request (this is a Sourcegraph extension to JSON
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// RPC 2.0 for carrying metadata).
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func Meta(meta interface{}) CallOption {
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return callOptionFunc(func(r *Request) error {
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return r.SetMeta(meta)
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})
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}
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// PickID returns a call option which sets the ID on a request. Care must be
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// taken to ensure there are no conflicts with any previously picked ID, nor
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// with the default sequence ID.
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func PickID(id ID) CallOption {
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return callOptionFunc(func(r *Request) error {
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r.ID = id
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return nil
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})
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}
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