fieldInfo

open fun fieldInfo(fieldName: String?): FieldInfo?

Return the fieldinfo object referenced by the field name

the FieldInfo object or null when the given fieldName doesn't exist.

open fun fieldInfo(fieldNumber: Int): FieldInfo?

Return the fieldinfo object referenced by the fieldNumber.

the FieldInfo object or null when the given fieldNumber doesn't exist.

fieldNumber

field's number.

if fieldNumber is negative