nunof07/smalltypes

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src/main/scalar/Not.ts

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import {
    Scalar,
    ScalarLike,
    ScalarOf
} from '@main';

/**
 * Negates a logical condition.
 */
export class Not implements Scalar<boolean> {
    /**
     * Scalar.
     */
    private readonly scalar: Scalar<boolean>;

    /**
     * Ctor.
     * @param value Value.
     */
    constructor(value: ScalarLike<boolean>) {
        this.scalar = new ScalarOf(value);
    }

    /**
     * Type determinant.
     */
    public isScalar(): true {
        return true;
    }

    /**
     * Get the value.
     */
    public value(): boolean {
        return !this.scalar.value();
    }
}