OneData

Lightweight data components for HAPI and embedded systems.

Provides owned values, references, ranges, defaults and change tracking with zero runtime overhead.

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Features

• Data<T> — owned runtime data
• DataRef<T&> — reference to external variable
• Text / TextRef — string handling
• Watch<> — automatic change detection
• NumRange<> / StaticNumRange<> — value limiting and stepping
• Default<T> — default value injection
• Full CRTP / APIOf / Chain compatibility

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Quick Usage

#include "oneData.h"

using namespace hapi::data;

Text label = "Status";
Int  value = 42;

auto volume = MenuData<int>{75};        // menu-extended version

if (volume.changed()) {
    // ...
}