chore: remove unnecessary boxing

[meskill]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• [ ] I ran cargo test successfully.
• [ ] I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• [ ] I have added relevant unit & integration tests.
• [ ] I have updated the documentation accordingly.
• [ ] I have performed a self-review of my code.
• [ ] PR follows the naming convention of <type>(<optional scope>): <title>

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.19%. Comparing base (ab0b519) to head (fd21e07).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2191 +/- ## ======================================= Coverage 84.18% 84.19% ======================================= Files 212 212 Lines 20097 20095 -2 ======================================= - Hits 16919 16918 -1 + Misses 3178 3177 -1 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[github-actions[bot]]

Bencher

Report	Sat, June 15, 2024 at 06:27:38 UTC
Project	tailcall
Branch	2191/merge
Testbed	benchmarking-runner

Click to view all benchmark results

Benchmark	Latency	Latency Results nanoseconds (ns) | (Δ%)	Latency Upper Boundary nanoseconds (ns) | (%)
from_json_bench	✅ (view plot)	7,005,800.00 (-1.69%)	7,264,479.55 (96.44%)
group_by	✅ (view plot)	543.60 (-5.59%)	645.32 (84.24%)
input/args.missing	✅ (view plot)	22.80 (-5.23%)	26.84 (84.93%)
input/args.nested.existing	✅ (view plot)	41.81 (-12.67%)	62.73 (66.64%)
input/args.nested.missing	✅ (view plot)	37.48 (-1.68%)	40.45 (92.66%)
input/args.root	✅ (view plot)	36.01 (-18.43%)	59.48 (60.53%)
input/headers.existing	✅ (view plot)	30.39 (-3.99%)	33.70 (90.16%)
input/headers.missing	✅ (view plot)	29.18 (-4.98%)	33.49 (87.12%)
input/value.missing	✅ (view plot)	23.46 (+0.06%)	24.91 (94.21%)
input/value.nested.existing	✅ (view plot)	42.62 (+2.37%)	45.17 (94.37%)
input/value.nested.missing	✅ (view plot)	36.87 (+0.72%)	38.61 (95.49%)
input/value.root	✅ (view plot)	38.15 (-0.14%)	41.70 (91.47%)
input/vars.existing	✅ (view plot)	7.49 (-5.05%)	8.92 (83.97%)
input/vars.missing	✅ (view plot)	9.07 (-4.53%)	12.79 (70.93%)
test_batched_body	✅ (view plot)	2,654.50 (-99.48%)	2,130,407.10 (0.12%)
test_batched_body #2	✅ (view plot)	1,698,900.00 (-0.43%)	1,833,597.78 (92.65%)
test_data_loader	✅ (view plot)	462,260.00 (-1.54%)	486,934.29 (94.93%)
test_handle_request	✅ (view plot)	153,970.00 (-1.98%)	174,099.91 (88.44%)
test_http_execute_method	✅ (view plot)	17,636.00 (-3.59%)	19,386.96 (90.97%)
with_mustache_expressions	✅ (view plot)	1,171.20 (+0.37%)	1,229.86 (95.23%)
with_mustache_literal	✅ (view plot)	763.34 (+5.73%)	775.06 (98.49%)

Bencher - Continuous Benchmarking
View Public Perf Page
Docs | Repo | Chat | Help