| # Create Player prototype | |
| Player := Object clone | |
| Player moveRight := method(writeln(self name .. " moved right")) | |
| # Instantiate player | |
| player := Player clone | |
| player name := "Bob" | |
| player actions := method( | |
| # Insert user's code here |
| /* | |
| This is the compiled result of the following: | |
| chooseAction := method( | |
| # Written by user | |
| moveRight | |
| ) |
| connected to: 127.0.0.1 | |
| 2014-05-30T11:33:24.602+0800 /home/darius/coco/dump/coco/thang.types.bson | |
| 2014-05-30T11:33:24.602+0800 going into namespace [coco.thang.types] | |
| 2014-05-30T11:33:24.603+0800 Created collection coco.thang.types with options: { "create" : "thang.types", "flags" : 1 } | |
| 2014-05-30T11:33:27.246+0800 Progress: 112876218/140627061 80% (bytes) | |
| 1075 documents found | |
| 2014-05-30T11:33:28.071+0800 Creating index: { key: { _id: 1 }, name: "_id_", ns: "coco.thang.types" } | |
| 2014-05-30T11:33:28.093+0800 Creating index: { unique: true, key: { slug: 1 }, name: "slug index", ns: "coco.thang.types", sparse: true, background: true, safe: null } | |
| 2014-05-30T11:33:28.099+0800 Creating index: { unique: true, key: { original: 1, version.major: -1, version.minor: -1 }, name: "version index", ns: "coco.thang.types", background: true, safe: null } | |
| 2014-05-30T11:33:28.107+0800 Creating index: { key: { index: 1, _fts: "text", _ftsx: 1 }, name: "search index", ns: "coco.thang.types", sparse: true, language_overrid |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>example</title> | |
| <meta name="Viewport" content="width=device-width; user-scaleable=no; initial-scale=1.0" /> | |
| <style type="text/css"> | |
| #everything { | |
| max-width: 500px; | |
| width: 100%; |
| package ui; | |
| import javafx.scene.Node; | |
| import javafx.scene.control.ListView; | |
| import ui.components.FilterTextField; | |
| import ui.issuecolumn.ColumnControl; | |
| import ui.issuepanel.IssuePanel; | |
| import ui.issuepanel.IssuePanelCard; | |
| public class UITraversal { |
| var PASSED = 'passed', | |
| STARTED = 'started', | |
| FAILED = 'failed', | |
| ERRORED = 'errored', | |
| CANCELED = 'canceled', | |
| POLL_PERIOD = 5000, | |
| MAX_MINUTES = 22; | |
| function icon(which) { |
display is useful for seeing the intermediate results of a function as it runs. It's tiresome to clutter our programs with calls to display, though. A way to log the inputs and outputs of a function would be nice.
Define the function debug1, which takes a function argument f and returns a function that, when called, writes its input and output to the console, and returns the same thing f would have when called. In other words, the type of debug1 is (x -> y) -> (x -> y).
We were introduced to OOP this week. While it may seem very complex, at heart it's still about the same notions of data and operations on data.
As JediScript has a rather complicated OOP system with many moving parts, it's important to distinguish the ideas from the implementation.
State and behaviour: Objects comprise state and behaviour. Programs are no longer structured around just functions, but around a central object which specific functions operate on. Computation usually involves updating the state of that central object over time.
Aggregation: As with functions, we can compose objects, building large objects out of smaller ones.
Definition: Important to keep in mind! Will help you reason about streams and guide you when you get confused.
Wishful thinking: Useful strategy for thinking about recursion and infinite things. Basically you assume that the function you are writing already has a correct implementation, and you use that assumption to write its recursive case. Keeping the return type of the function in mind can help.
Infinity: Streams can be finite or infinite.
Some functions can only deal with finite streams, for example stream_length and stream_append (first argument should be finite). They need to evaluate an entire stream to have an effect.
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