Function applyCastsInCode

go/engine/expr/expression.go:131–147

applyCastsInCode processes cast functions in non-string expressions.

(expression string, refs []Value)

	})
	resolved = strings.TrimSpace(resolved)

	return parseAndEval(resolved, targetType)
}

// applyCastsInCode processes cast functions in non-string expressions.
func applyCastsInCode(expression string, refs []Value) (string, []Value) {
	result := make([]Value, len(refs))
	copy(result, refs)

	for {
		loc := castOverrideRE.FindStringSubmatchIndex(expression)
		if loc == nil {
			break
		}
		castName := expression[loc[2]:loc[3]]
		plIdx := len(placeholderRE.FindAllStringIndex(expression[:loc[0]], -1))
		targetType := castNameToDataType(castName)
		result[plIdx] = result[plIdx].Cast(targetType)
		expression = expression[:loc[0]] + "${}" + expression[loc[1]:]
	}