update spartan and comfy scripts

Author: shannonpileggi

01_exercise/01_debugging_comfy.R

@@ -1,2 +1,58 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+
+# open 01_sourceme to inspect & review code ---------------------------------------
+# try file.edit()
+
+
+# source functions -------------------------------------------------------------
+# source in 01_exercise/01_sourceme.R 
+
+# view fruit data --------------------------------------------------------------
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+# identify location of error ---------------------------------------------------
+# try traceback()
+
+# copy and paste traceback results as a comment here to compare with next exercise
+
+
+# modify options for a richer traceback via rlang ------------------------------
+
+# copy and paste traceback results as a comment here to compare with next exercise
+
+
+# interactive debugging --------------------------------------------------------
+# enter interactive debugger by inserting browser() into the fruit_avg() function
+# trigger interactive debugger by executing function
+
+# use these commands at the Browse[]> prompt to navigate the debugger
+
+# | command | operation               |
+# |---------|-------------------------|
+# | `n`     | next statement          |
+# | `c`     | continue                |
+# | `s`     | step into function call |
+# | `f`     | finish loop / function  |
+# | `where` | show previous calls     |
+# | `Q`     | quit debugger           |
+
+# while in the debugger, explore the objects in your environment
+# with ls.str()
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!
+
+
 
 

01_exercise/01_debugging_spartan.R

@@ -0,0 +1,43 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+
+# open 01_sourceme to inspect & review code ---------------------------------------
+
+
+# source functions -------------------------------------------------------------
+
+
+# view fruit data --------------------------------------------------------------
+
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+
+
+# identify location of error ---------------------------------------------------
+
+# copy and paste traceback results as a comment here to compare with next exercise
+
+
+
+# modify options for a richer traceback ----------------------------------------
+
+
+# copy and paste traceback results as a comment here to compare with next exercise
+
+
+# interactive debugging --------------------------------------------------------
+# enter interactive debugger
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!
+

02_exercise/02_debugging_comfy.R

@@ -0,0 +1,68 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+# Restart R!
+
+# open 02_sourceme to inspect & review code ---------------------------------------
+# the content is essentially the same as 01_exercise, but the code has been re-structured
+# try file.edit()
+
+
+# source functions -------------------------------------------------------------
+# source in 02_exercise/02_sourceme.R 
+
+# view fruit data --------------------------------------------------------------
+
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+# identify location of error via traceback -------------------------------------
+# try traceback()
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# modify options for a richer traceback via rlang ------------------------------
+
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+# How do the tracebacks look different compared to 01_exercise?
+
+# interactive debugging via IDE ------------------------------------------------
+# Restart R
+# enter interactive debugger by inserting a breakpoint in 
+# the fruit_avg() function in 02_sourceme.R
+# re-source file 
+# trigger interactive debugger by executing the function
+
+# navigate the debugger using the buttons at the top of the console
+# be sure to try the "step into" option!
+
+# while in the debugger, explore the objects in your environment
+# with ls.str()
+
+
+# interactive debugging via IDE, again -----------------------------------------
+# Remove breakpoint from 02_sourceme.R
+# Restart R
+# Modify IDE settings to Debug -> On Error -> ??
+# re-source in the file
+
+# trigger console error inspector by executing the function
+
+# explore the "Show Traceback" and "Rerun with Debug" options
+# Where does the debugger drop you in?
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!
+
+

02_exercise/02_debugging_spartan.R

@@ -0,0 +1,56 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+# Restart R!
+
+# open 02_sourceme to inspect & review code ---------------------------------------
+# the content is essentially the same as 01_exercise, but the code has been re-structured
+
+
+
+# source functions -------------------------------------------------------------
+# source in 02_exercise/02_sourceme.R 
+
+# view fruit data --------------------------------------------------------------
+
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+# identify location of error ---------------------------------------------------
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# modify options for a richer traceback ----------------------------------------
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+# How do the tracebacks look different compared to 01_exercise?
+
+# interactive debugging via IDE ------------------------------------------------
+# Restart R
+# enter interactive debugger by inserting a breakpoint in 
+# the fruit_avg() function in 02_sourceme.R
+
+
+
+
+# interactive debugging via IDE, again -----------------------------------------
+# Remove breakpoint from 02_sourceme.R
+# Restart R
+# Modify IDE settings to Debug -> On Error -> ??
+
+# explore the "Show Traceback" and "Rerun with Debug" options
+# Where does the debugger drop you in?
+
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!

03_exercise/03_debugging_comfy.R

@@ -0,0 +1,86 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+# Restart R!
+
+# install the wtfdbg package ---------------------------------------------------
+# the content is essentially the same as 02_exercise, but now the code is no 
+# longer yours!
+# install.packages("devtools")
+devtools::install_github("rstats-wtf/wtfdbg")
+
+
+# attach package ---------------------------------------------------------------
+
+
+# view fruit data --------------------------------------------------------------
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+# identify location of error via traceback -------------------------------------
+
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# modify options for a richer traceback via rlang ------------------------------
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# How do the tracebacks look different compared to 02_exercise?
+
+
+# interactive debugging via debugonce() ----------------------------------------
+# set interactive debugger 
+
+# trigger interactive debugger
+
+
+# navigate the debugger using the buttons at the top of the console
+# be sure to try the "step into" option!
+
+# while in the debugger, explore the objects in your environment
+# with ls.str()
+
+
+# interactive debugging via recover error option--------------------------------
+# options(? = ?)
+
+# trigger recover
+
+# explore the frames
+
+# reset options
+
+
+
+# interactive debugging via trace() --------------------------------------------
+
+# investigate the function body with as.list() + body()
+
+# identify a function step to enter debugger
+
+
+# insert browser statement at specified step
+
+# trigger trace
+
+# try ls.str() to get your bearings 
+# and s, s, s, to keep stepping through functions
+
+# cancel tracing
+
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!
+
+

03_exercise/03_debugging_spartan.R

@@ -0,0 +1,55 @@
+# Origin -----------------------------------------------------------------------
+# This example was originally used inJenny Bryan's rstudio::conf(2020) keynote
+# Object of type 'closure' is not subsettable,
+# https://github.com/jennybc/debugging
+
+# Restart R!
+
+# install the wtfdbg package ---------------------------------------------------
+# the content is essentially the same as 02_exercise, but now the code is no 
+# longer yours!
+# install.packages("devtools")
+devtools::install_github("rstats-wtf/wtfdbg")
+
+
+# attach package ---------------------------------------------------------------
+
+
+# view fruit data --------------------------------------------------------------
+
+# successful execution ---------------------------------------------------------
+# confirm function works for berry
+fruit_avg(fruit, "berry")
+
+# error on execution -----------------------------------------------------------
+# observe error
+fruit_avg(fruit, "peach")
+
+# identify location of error ---------------------------------------------------
+
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# modify options for a richer traceback ----------------------------------------
+
+# copy and paste traceback results as a comment here to compare with other exercises
+
+
+# How do the tracebacks look different compared to 02_exercise?
+
+
+# interactive debugging via debugonce() ----------------------------------------
+
+
+
+# interactive debugging via recover error option--------------------------------
+
+
+
+# interactive debugging via trace() ----------------------------------------------
+
+
+
+# Can you determine exactly why the bug is occurring?
+# If you have time, try to fix it!