Function makeHandler

versioning/group.go:130–146

(validate semver.Range)

}

func makeHandler(validate semver.Range) context.Handler {
	return func(ctx *context.Context) {
		if !matchVersionRange(ctx, validate) {
			// The overlapped handler has an exception
			// of a type of context.NotFound (which versioning.ErrNotFound wraps)
			// to clear the status code
			// and the error to ignore this
			// when available match version exists (see `NewGroup`).
			if h := NotFoundHandler; h != nil {
				h(ctx)
				return
			}
		}

		ctx.Next()
	}
}