Fix stack overflow bug. #869

Fix stack overflow bug.

Usage Workflow file

16 warnings

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Test: tests/parse_json.rs#L1

unused imports: `Dynamic`, `EvalAltResult`, `INT`, `LexError`, `ParseErrorType`, `Position`

Test: tests/optimizer.rs#L2

unused import: `Module`

Test: tests/maps.rs#L2

unused imports: `Dynamic`, `Position`

Test: tests/maps.rs#L3

unused import: `std::convert::TryInto`

`rhai` (test "parse_json") generated 1 warning (run `cargo fix --test "parse_json"` to apply 1 suggestion)

`rhai` (test "optimizer") generated 1 warning (run `cargo fix --test "optimizer"` to apply 1 suggestion)

Test: tests/arrays.rs#L3

unused import: `convert::TryInto`

`rhai` (test "arrays") generated 2 warnings (run `cargo fix --test "arrays"` to apply 2 suggestions)

`rhai` (test "custom_syntax") generated 1 warning (run `cargo fix --test "custom_syntax"` to apply 1 suggestion)

`rhai` (test "serde") generated 1 warning (run `cargo fix --test "serde"` to apply 1 suggestion)