| name | goyacodedevutils-yaautoflags |
| description | Reflection-based bit-packing of a struct's bool fields into/out of a single unsigned integer Flags field. Use when a struct's bools should serialize/compare as one integer. |
yaautoflags Skill
Import path: github.com/YaCodeDev/GoYaCodeDevUtils/yaautoflags.
Reflection-based bit-packing of a struct's bool fields into/out of a single unsigned integer Flags field.
Key API
PackFlags[T](instance *T) yaerrors.Error — packs bool fields, in declaration order, into bit positions of the Flags field.UnpackFlags[T](instance *T) yaerrors.Error — reverse operation.ErrInstanceNil, ErrInstanceNotStruct, ErrFlagsFieldNotFound, ErrFlagsFieldTypeMismatch, ErrTooManyFlags.
Usage Notes
- The struct must have an exported field literally named
Flags of type uint/uint8/16/32/64/uintptr. The number of bool fields must not exceed that field's bit width, or PackFlags/UnpackFlags returns an error.
- Bit order follows struct field declaration order (first bool = least significant bit). The struct is mutated in place via reflection — always pass a pointer.
- Depends only on
yaerrors. For flags defined as named bit constants (not struct bool fields), use yaflags instead.
