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[Tolk] bool type (-1/0 int under the hood)

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Comparison operators `== / >= /...` return `bool`.
Logical operators `&& ||` return bool.
Constants `true` and `false` have the `bool` type.
Lots of stdlib functions return `bool`, not `int`.

Operator `!x` supports both `int` and `bool`.
Condition of `if` accepts both `int` and `bool`.
Arithmetic operators are restricted to integers.
Logical `&&` and `||` accept both `bool` and `int`.

No arithmetic operations with bools allowed (only bitwise and logical).
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tolk-vm 2025-01-13 15:21:24 +07:00
parent 799e2d1265
commit 974d76c5f6
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33 changed files with 764 additions and 212 deletions
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tolk-tester/tests/imports/use-dicts.tolk
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@ -11,7 +11,7 @@ fun prepareDict_3_30_4_40_5_x(valueAt5: int): cell {
fun lookupIdxByValue(idict32: cell, value: int): int {
var cur_key = -1;
do {
var (cur_key redef, cs: slice, found: int) = idict32.iDictGetNext(32, cur_key);
var (cur_key redef, cs: slice, found: bool) = idict32.iDictGetNext(32, cur_key);
// one-line condition (via &) doesn't work, since right side is calculated immediately
if (found) {
if (cs.loadInt(32) == value) {