Node: $LANGUAGE_NUM, Next: , Previous: $LANGUAGE, Up: Built-in functions



$LANGUAGE_NUM: Number of current language

$LANGUAGE_NUM expands to an integer that uniquely defines the current language, as follows:

Language $LANGUAGE_NUM
C 0
C++ 1
Fortran 2
Fortran-90 3
Ratfor 4
Ratfor-90 5
TeX 6
VERBATIM 7

This built-in is useful in conjunction with an $IFCASE construction; see $IFCASE.