Enhance compiler

[codecov-commenter]

Codecov Report

Base: 70.02% // Head: 70.78% // Increases project coverage by +0.76% :tada:

Coverage data is based on head (38fbd7a) compared to base (b2e840b). Patch coverage: 61.12% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #53 +/- ## ========================================== + Coverage 70.02% 70.78% +0.76% ========================================== Files 18 24 +6 Lines 844 849 +5 ========================================== + Hits 591 601 +10 + Misses 253 248 -5 ``` | [Impacted Files](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy) | Coverage Δ | | |---|---|---| | [src/compiler/validation.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL3ZhbGlkYXRpb24uamw=) | `0.00% <0.00%> (ø)` | | | [src/model/models.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL21vZGVsL21vZGVscy5qbA==) | `0.00% <ø> (ø)` | | | [src/compiler/variables.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL3ZhcmlhYmxlcy5qbA==) | `33.89% <33.89%> (ø)` | | | [src/compiler/constraints.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL2NvbnN0cmFpbnRzLmps) | `64.34% <64.34%> (ø)` | | | [src/compiler/penalties.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL3BlbmFsdGllcy5qbA==) | `76.92% <76.92%> (ø)` | | | [src/compiler/compiler.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL2NvbXBpbGVyLmps) | `52.94% <83.33%> (-5.04%)` | :arrow_down: | | [src/compiler/objective.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL29iamVjdGl2ZS5qbA==) | `87.50% <87.50%> (ø)` | | | [src/compiler/build.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL2NvbXBpbGVyL2J1aWxkLmps) | `95.23% <95.23%> (ø)` | | | [src/model/wrapper.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL21vZGVsL3dyYXBwZXIuamw=) | `75.00% <100.00%> (+0.39%)` | :arrow_up: | | [src/pbo/PBF.jl](https://codecov.io/gh/psrenergy/ToQUBO.jl/pull/53/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy#diff-c3JjL3Biby9QQkYuamw=) | `84.86% <100.00%> (+0.30%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psrenergy)

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