Isn't there a mapOrElse()? ``` fun getMaterialInd...

# announcements

[elect]

Isn't there a mapOrElse()?

fun getMaterialIndex(strMaterialName: String): Int {
        val matIndex = -1
        if (strMaterialName.isEmpty()) return matIndex
        return m_pModel.m_MaterialLib.filter { it == strMaterialName }.getOrElse()
    }