Joy Online Manual

NAME
objc:undef - Undefine a constant

SYNOPSIS

objc:undef name

DESCRIPTION
Undefines a macro constants in a manner analogous to a C preprocessor #undef statement.

EXAMPLE

joy> puts [LONG_MIN]
-2147483648
joy> objc:undef LONG_MIN
joy> puts [LONG_MIN]
Error: invalid command name "LONG_MIN"

SEE ALSO

objc:define
objc:info
objc:loadMacros

KEYWORDS
constants, macros

Index