ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic 1804 vars into 126 states, 64 into lets; 23498 edits in 460 files Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> |
||
|---|---|---|
| .. | ||
| tests | ||
| index.ludic | ||
| package.ludic | ||
| README.md | ||
| wallet.ludic | ||
ludic.wallet
Money carried, in whole units: earned, spent only when it is there, lost when a cost happens
anyway, and every change reported. Uses ludic.base and nothing
else. Prices, reputation and what a thing costs are the game's; the wallet only holds the money.
import "ludic.wallet"
No ports: the wallet asks the world nothing.
API
wallet_money(), wallet_can(n) |
what is there, and whether n is |
wallet_earn(n) |
add |
wallet_spend(n) -> bool |
only what is there: false, and nothing spent, when it is not |
wallet_lose(n) |
a cost that happens whether or not it can be paid (a rescue); never below zero |
wallet_set(n) |
exactly n (a starting purse, a correction, the network's word) |
wallet_changes() -> Queue<MoneyChanged> |
the facts: { before, after }, one per change |
wallet_system() -> System |
"wallet", PH_COMMIT: reset, and its save section (wallet_save, wallet_load) |
Tests
ludic build packages/ludic.wallet/tests/wallet_test.ludic --headless -o /tmp/wallet_test && /tmp/wallet_test