Fixed to not make mixed nullable

[koriym]

Closes #210

Summary by CodeRabbit

• Bug Fixes

  • Improved type checking by ensuring nullable types are not marked as 'mixed'.

• Tests

  • Added a new test for methods with mixed type arguments in PHP 8.0.

• New Features

  • Introduced a new class that handles methods with mixed type parameters.

[coderabbitai]

Walkthrough

The recent updates focus on handling the mixed type in PHP code more accurately. Changes include modifying the nullable type check in TypeString.php to exclude mixed from being marked as nullable, adding a test for methods with mixed arguments, and introducing a new class that utilizes mixed type parameters.

Changes

File Path	Change Summary
src/TypeString.php	Updated nullable type check to exclude 'mixed'
tests/CompilerTest.php	Added test for method with mixed arguments
tests/Fake/.../FakeMixedParamClass.php	New class with method using mixed type parameter

Assessment against linked issues

Objective	Addressed	Explanation
Mixed is converted to null	mixed (#210)	❌

🐇🎉
O hark! A change, a fix, a tweak,
In code where types do speak.
No more null|mixed, a banish'd term,
In PHP lands, where types confirm.
Hop and code, with joy we tweak! 🌟
🐇🎉

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[coderabbitai]

Actionable comments posted: 0

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between da2abe9 and c1ba333.

Files selected for processing (3)

• src/TypeString.php (1 hunks)
• tests/CompilerTest.php (1 hunks)
• tests/Fake/FakeMixedParamClass.php (1 hunks)

Files skipped from review due to trivial changes (1)

• tests/Fake/FakeMixedParamClass.php

Additional comments not posted (2)

src/TypeString.php (1)

42-42: Correctly prevents mixed type from being made nullable.

tests/CompilerTest.php (1)

346-352: Properly tests handling of the mixed type and checks class conformity to WeavedInterface.