function validateBoolean( value ) {
	return isBoolean( value );
}
Verifies whether a provided value can be safely cast to a boolean data type.

@private
@param {*} value - input value
@param {string} dtype - data type
@returns {boolean} boolean result

@example
var out = validateBoolean( true, 'bool' );
// returns true

@example
var Complex128 = require( '@stdlib/complex/float64/ctor' );

var out = validateBoolean( new Complex128( 5.0, 6.0 ), 'bool' );
// returns false