- simple query showing declarative nature
- add author info: show
__typename
to show what type ... on GithubUser
-> login and avatar_url- add
... on GithubCommitAuthor
-> name, email to show you can have both without conflict - add a second repo and observe the error message.
- give each repo a name
- introduce a fragment for author on UserOrStringType
- show nesting that fragment in another on repo
- introduce query variables add one for each repoName and just 1 for owner. emphasize data type and ! for required
- introspection - look at __schema and __