Initialize docs

doc-coverage/doc-coverage.scrbl

@@ -4,7 +4,7 @@
           (for-label doc-coverage
                      racket/base))
 
-@title{package-name}
+@title{doc-coverage}
 
 @(define the-eval (make-base-eval))
 @(the-eval '(require "main.rkt"))
@@ -13,4 +13,22 @@
 
 @author[@author+email["Jack Firth" "jackhfirth@gmail.com"]]
 
-source code: @url["https://github.com/jackfirth/package-name"]
+This library provides functions for inspecting the number of 
+bindings a module exports with and without corresponding
+Scribble documentation, as well as Rackunit tests based on
+this information. This allows a module author to enforce in
+a test suite that their modules provide no undocumented
+bindings.
+
+source code: @url["https://github.com/jackfirth/package-name"]
+
+@section{Basic Module Documentation Reflection}
+
+@defproc[(has-docs? [mod symbol?] [binding symbol?]) boolean?]{
+  Returns @racket[#t] if the module @racket[mod] provides
+  @racket[binding] with documentation, and @racket[#f]
+  otherwise.
+  @examples[#:eval the-eval
+    (has-docs? 'racket/list 'second)
+    (has-docs? 'racket/match 'match-...-nesting)
+]}