Field-backed properties in C# 14 (via the field contextual keyword) let you access the compiler-generated backing field inside property accessors.
This gives you the best of both worlds: simplicity of auto-properties + ability to inject logic (validation, normalization) without manual boilerplate.
The field keyword is meaningful only inside property accessors and is replaced at compile time with the actual backing field.
Watch out for naming conflicts if you already have a field symbol.
Use field for light logic; for heavier, more complex requirements, manual backing fields might still be more suitable.
To use this feature, you may need to set your LangVersion to preview or a version supporting C# 14.
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