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plugin/metadata: tweak the docs a little (#2685)

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Add a simpler example that returns a static string the for metadata.

Signed-off-by: Miek Gieben <miek@miek.nl>
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Miek Gieben 2019-03-13 07:26:29 +00:00 • committed by GitHub
parent d69f97be5c
commit d652f72fa7
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1 changed files with 9 additions and 2 deletions
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11
plugin/metadata/provider.go
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@ -6,7 +6,14 @@
// //
// Basic example: // Basic example:
// //
// Implement the Provider interface for a plugin: // Implement the Provider interface for a plugin p:
//
// func (p P) Metadata(ctx context.Context, state request.Request) context.Context {
// metadata.SetValueFunc(ctx, "test/something", func() string { return "myvalue" })
// return ctx
// }
//
// Basic example with caching:
// //
// func (p P) Metadata(ctx context.Context, state request.Request) context.Context { // func (p P) Metadata(ctx context.Context, state request.Request) context.Context {
// cached := "" // cached := ""
@ -21,7 +28,7 @@
// return ctx // return ctx
// } // }
// //
// Check the metadata from another plugin: // If you need access to this metadata from another plugin:
// //
// // ... // // ...
// valueFunc := metadata.ValueFunc(ctx, "test/something") // valueFunc := metadata.ValueFunc(ctx, "test/something")