pry

ls <object>           shows all the methods available on the object
whereami 10           shows 10 lines above and below your breakpoint
cd object.method      navigates the object stack as if it were a folder structure
caller                shows the current execution stack. Pass a start line and a line limit to truncate the stack (ie: `caller(20, 5)`)
show-source (aka $)   show the source for a method or class.
disable-pry           stops all future calls to pry and exits the current session.
exit-all              end the current pry session.

> help
Help
  help               Show a list of commands or information about a specific command.

Context
  cd                 Move into a new context (object or scope).
  find-method        Recursively search for a method within a class/module or the current namespace.
  ls                 Show the list of vars and methods in the current scope.
  pry-backtrace      Show the backtrace for the pry session.
  raise-up           Raise an exception out of the current pry instance.
  reset              Reset the repl to a clean state.
  watch              Watch the value of an expression and print a notification whenever it changes.
  whereami           Show code surrounding the current context.
  wtf?               Show the backtrace of the most recent exception.

Editing
  /^\s*!\s*$/        Clear the input buffer.
  amend-line         Amend a line of input in multi-line mode.
  edit               Invoke the default editor on a file.
  hist               Show and replay readline history.
  play               Playback a string variable, method, line, or file as input.
  show-input         Show the contents of the input buffer for the current multi-line expression.

Introspection
  ri                 View ri documentation.
  show-doc           Show the documentation for a method or class.
  show-source        Show the source for a method or class.
  stat               View method information and set _file_ and _dir_ locals.

Gems
  gem-cd             Change working directory to specified gem's directory.
  gem-install        Install a gem and refresh the gem cache.
  gem-list           List and search installed gems.
  gem-open           Opens the working directory of the gem in your editor.

Commands
  import-set         Import a pry command set.
  install-command    Install a disabled command.

Aliases
  !!!                Alias for `exit-program`
  !!@                Alias for `exit-all`
  $                  Alias for `show-source`
  ?                  Alias for `show-doc`
  @                  Alias for `whereami`
  c                  Alias for `continue`
  clipit             Alias for `gist --clip`
  f                  Alias for `finish`
  file-mode          Alias for `shell-mode`
  find-routes        Alias for `find-route`
  history            Alias for `hist`
  n                  Alias for `next`
  quit               Alias for `exit`
  quit-program       Alias for `exit-program`
  reload-method      Alias for `reload-code`
  s                  Alias for `step`
  show-method        Alias for `show-source`

Byebug
  backtrace          Display the current stack.
  break              Set or edit a breakpoint.
  continue           Continue program execution and end the pry session.
  down               Move current frame down.
  finish             Execute until current stack frame returns.
  frame              Move to specified frame #.
  next               Execute the next line within the current stack frame.
  step               Step execution into the next line or method.
  up                 Move current frame up.

Input and output
  .<shell command>   All text following a '.' is forwarded to the shell.
  cat                Show code from a file, pry's input buffer, or the last exception.
  change-inspector   Change the current inspector proc.
  change-prompt      Change the current prompt.
  fix-indent         Correct the indentation for contents of the input buffer
  list-inspectors    List the inspector procs available for use.
  list-prompts       List the prompts available for use.
  save-file          Export to a file using content from the repl.
  shell-mode         Toggle shell mode. bring in pwd prompt and file completion.

Misc
  gist               Upload code, docs, history to https://gist.github.com/.
  pry-version        Show pry version.
  reload-code        Reload the source file that contains the specified code object.
  toggle-color       Toggle syntax highlighting.

Navigating pry
  !pry               Start a pry session on current self.
  disable-pry        Stops all future calls to pry and exits the current session.
  exit               Pop the previous binding.
  exit-program       End the current program.
  jump-to            Jump to a binding further up the stack.
  nesting            Show nesting information.
  switch-to          Start a new subsession on a binding in the current stack.

Rails
  find-route         See which urls match a given controller.
  recognize-path     See which route matches a url.
  show-middleware    Show all middleware (that rails knows about).
  show-model         Show the given model.
  show-models        Show all models.
  show-routes        Show all routes in match order.

Prompts
  simple-prompt      Toggle the simple prompt.

Pry-byebug (v3.4.3)
  exit-all           End the current pry session.

[1] pry(#<UserTest>)> method = user.method(:full_name)
=> #<Method: User#full_name>

[2] pry(#<UserTest>)> method.owner
=> User(id: integer, first_name: string, last_name: string, email: string, created_at: datetime, updated_at: datetime)

[3] pry(#<UserTest>)> method.source_location
=> ["/Users/keighty/api_playground/app/models/user.rb", 2]