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Update playground examples

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This commit is contained in:
Andrew Morris
2023-03-19 14:07:51 +11:00
parent e168f0370a
commit 71bedae91e
1 changed files with 8 additions and 20 deletions
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28
website/src/playground/files.ts
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@@ -37,8 +37,7 @@ const files: Record<string, string | nil> = {
// Welcome to the ValueScript playground!
//
// This playground also acts as a tutorial by describing a variety of
// examples. Please go ahead and make edits to the code, you should see
// the results in real-time!
// examples. All examples are editable with live updates to their outputs.
//
// Keeping with tradition, here is the hello world program.
@@ -56,26 +55,15 @@ const files: Record<string, string | nil> = {
let rightBowl = leftBowl;
rightBowl.push('peach');
return {
leftBowl,
rightBowl,
};
return leftBowl.includes("peach");
// TypeScript: true
// ValueScript: false
}
// In TypeScript, leftBowl also contains 'peach':
//
// {
// leftBowl: ['apple', 'mango', 'peach'],
// rightBowl: ['apple', 'mango', 'peach'],
// }
//
// This is because TypeScript interprets the code to mean that leftBowl and
// rightBowl are the same object, and that object changes.
//
// In ValueScript, objects do not change, but variables do. Pushing onto
// rightBowl is interpreted as a change to the rightBowl variable itself,
// not the data it points to. rightBowl points to some new data, which may
// reference the old data, but only as a performance optimization.
// In TypeScript, \`leftBowl\` and \`rightBowl\` are the same object, and
// that object changes. In ValueScript, objects are just data, they don't
// change. When you change \`rightBowl\`, you are changing the *variable*
// and therefore \`leftBowl\` doesn't change.
`),
"examples/factorial.ts": blockTrim(`