scala-toy-robot

a scala toy robot as per PROBLEM.md specs.

minimal commentary as smaller source files (Point, Board, Command, Orientation) are self-explanatory (with tests), while larger source files have some comments and rely on larger test suites as explanatory document.

to run (in general)

from OS CLI (either):

$ sbt "run <filename>"
$ sbt run

from within sbt:

sbt> run <filename>
sbt> run

and similar for testing:

$ sbt test
sbt> test

to see the three examples required from PROBLEM.md

$sbt "run resources/eg1.txt"
$sbt "run resources/eg2.txt"
$sbt "run resources/eg3.txt"

some TODOs/QUs (for further investigation)

Searching 171 files for "@TODO:"

/home/psc/src/scala/REA/toyrobot/src/main/scala/robot/Robot.scala:
    1: // @TODO: turn into a castor actor; a robot *is* an actor
    2  // after all...
    3  package robot
    .
   29: // @TODO: make walk() recursive walk(point)?? @ANS: no need, too
   30  // simple
   31  def walk(): Unit = {

5 matches across 2 files

requirements

built using:

scala 2.13.x
sbt 1.3.x

see installing scala

tested on:

Debian 10 (buster)
macOS 10.15.x (catalina)

general notes

• have used scala as a general purpose language
• with certain scala-ecosystem additions, most notably:
  • "org.scalatest" % "scalatest_2.13" % "3.0.8" (standard scala test framework)
  • "com.lihaoyi" %% "os-lib" % "0.7.1" (see os-lib)
  • "com.lihaoyi" %% "fastparse" % "2.2.2" (see fastparse)