bool(value) {
        value = resolveFunc(value);
        if (isNull(value)) {
            return 'null';
        }
        return $to.bool(value);
    }
@method formatting.bool
@description
Converts a truthy value into PostgreSQL boolean presentation.

@param {boolean|function} value
Value to be converted, or a function that returns the value.

@returns {string}