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author | Vincent Ambo <mail@tazj.in> | 2021-01-14T20·16+0300 |
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committer | tazjin <mail@tazj.in> | 2021-01-14T20·26+0000 |
commit | 740a9a3565b3c30d8b667ff159b15d9f455e94b9 (patch) | |
tree | ed144ed7adf28143b121d9cc14cc8df53cb8015b /users/tazjin/rlox/src/interpreter | |
parent | 39439d59e8e9ddb1e2b7802f3aff092d77de7acf (diff) |
feat(tazjin/rlox): Implement support for closures r/2109
Change-Id: I0ffc810807a1a6ec90455a4f2d2bd977833005bd Reviewed-on: https://cl.tvl.fyi/c/depot/+/2396 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
Diffstat (limited to 'users/tazjin/rlox/src/interpreter')
-rw-r--r-- | users/tazjin/rlox/src/interpreter/tests.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/users/tazjin/rlox/src/interpreter/tests.rs b/users/tazjin/rlox/src/interpreter/tests.rs index 5bc9f0a0a475..875116593e44 100644 --- a/users/tazjin/rlox/src/interpreter/tests.rs +++ b/users/tazjin/rlox/src/interpreter/tests.rs @@ -76,3 +76,25 @@ add(1, 2, 3); assert_eq!(Value::Literal(Literal::Number(6.0)), result); } + +#[test] +fn test_closure() { + let result = parse_eval( + r#" +fun makeCounter() { + var i = 0; + fun count() { + i = i + 1; + } + + return count; +} + +var counter = makeCounter(); +counter(); // "1". +counter(); // "2". +"#, + ); + + assert_eq!(Value::Literal(Literal::Number(2.0)), result); +} |