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feat: allow underscores as unused variable identifiers (#338)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| contract UnderscoreVariableTestContract { | ||
| something: Int; | ||
|
|
||
| init() { | ||
| self.something = 0; | ||
| } | ||
|
|
||
| receive() { | ||
| // Nothing to do | ||
| } | ||
|
|
||
| fun increaseSomething(): Int { | ||
| self.something += 1; | ||
| return 123; | ||
| } | ||
|
|
||
| get fun test1(): Int { | ||
| try { | ||
| nativeThrow(1); | ||
| } catch (_) { | ||
| return 0; | ||
| } | ||
| return 1; | ||
| } | ||
|
|
||
| get fun test2(): Int { | ||
| let m: map<Int, Int> = emptyMap(); | ||
| m.set(1, 2); | ||
| m.set(2, 4); | ||
| m.set(3, 6); | ||
| let x: Int = 0; | ||
| foreach (_, v in m) { | ||
| x += v; | ||
| } | ||
| return x; | ||
| } | ||
|
|
||
| get fun test3(): Int { | ||
| let m: map<Int, Int> = emptyMap(); | ||
| m.set(1, 2); | ||
| m.set(2, 4); | ||
| m.set(3, 6); | ||
| let x: Int = 0; | ||
| foreach (k, _ in m) { | ||
| x += k; | ||
| } | ||
| return x; | ||
| } | ||
|
|
||
| get fun test4(): Int { | ||
| let _: Int = self.increaseSomething(); | ||
| let _: Int = self.increaseSomething(); | ||
| let _ = self.increaseSomething(); | ||
| let _ = self.increaseSomething(); | ||
| return self.something; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import { toNano } from "@ton/core"; | ||
| import { ContractSystem } from "@tact-lang/emulator"; | ||
| import { __DANGER_resetNodeId } from "../../grammar/ast"; | ||
| import { UnderscoreVariableTestContract } from "./contracts/output/underscore-variable_UnderscoreVariableTestContract"; | ||
|
|
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| describe("underscore-variable", () => { | ||
| beforeEach(() => { | ||
| __DANGER_resetNodeId(); | ||
| }); | ||
| it("should implement underscore variables correctly", async () => { | ||
| // Init | ||
| const system = await ContractSystem.create(); | ||
| const treasure = system.treasure("treasure"); | ||
| const contract = system.open( | ||
| await UnderscoreVariableTestContract.fromInit(), | ||
| ); | ||
| await contract.send(treasure, { value: toNano("10") }, null); | ||
| await system.run(); | ||
|
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| // Check methods | ||
| expect(await contract.getTest1()).toEqual(0n); | ||
| expect(await contract.getTest2()).toEqual(12n); | ||
| expect(await contract.getTest3()).toEqual(6n); | ||
| expect(await contract.getTest4()).toEqual(4n); | ||
| }); | ||
| }); |
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