src/Violin.php
protected function fetchMessage($field, $rule)
    {
        if (isset($this->fieldMessages[$field][$rule])) {
            return $this->fieldMessages[$field][$rule];
        }

        if (isset($this->ruleMessages[$rule])) {
            return $this->ruleMessages[$rule];
        }

        return $this->usedRules[$rule]->error();
    }
protected function fetchMessage($field, $rule)
    {
        if (isset($this->fieldMessages[$field][$rule])) {
            return $this->fieldMessages[$field][$rule];
        }

        if (isset($this->ruleMessages[$rule])) {
            return $this->ruleMessages[$rule];
        }

        return $this->usedRules[$rule]->error();
    }
Fetch the message for an error by field or rule type.

@param  string $field
@param  string $rule

@return string