fn fieldInfo(comptime T: type, comptime field: FieldEnum(T)) switch (@typeInfo(T)) { .Struct => Type.StructField, .Union => Type.UnionField, .ErrorSet => Type.Error, .Enum => Type.EnumField, else => @compileError("Expected struct, union, error set or enum type, found '" ++ @typeName(T) ++ "'"), }
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