Impl.Configval set_user_name :
t ->
repo_root:Vcs.Repo_root.t ->
user_name:Vcs.User_name.t ->
Base.unit Base.Or_error.tval set_user_email :
t ->
repo_root:Vcs.Repo_root.t ->
user_email:Vcs.User_email.t ->
Base.unit Base.Or_error.t