Nothing
`%instanceof%` <- .jinstanceof <- function( o, cl ){
if( !inherits( o, "jobjRef" ) ){
stop( "o is not a java object" )
}
# first get the class object that represents cl
if( inherits( cl, "jobjRef" ) ){
if( .jclass( cl ) == "java.lang.Class" ){
clazz <- cl
} else {
clazz <- .jcall( cl, "Ljava/lang/Class;", "getClass" )
}
} else if( inherits( cl, "jclassName" ) ) {
clazz <- cl@jobj
} else if( inherits( cl, "character" ) ){
clazz <- .jfindClass(cl)
} else {
return(FALSE)
}
# then find out if o is an instance of the class
.jcall( clazz , "Z", "isInstance", .jcast(o, "java/lang/Object" ) )
}
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