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get_type_info
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SYNOPSIS
mixed get_type_info(mixed arg, int flag)
DESCRIPTION
Returns info about the type of arg, as controlled by the flag.
If the optional argument <flag> is not a number, an array is
returned, whose first element is an integer denoting the data
type, as defined in <lpctypes.h>. The second entry can contain
additional information about arg.
If <flag> flag is the number 0, only the first element of that array
(i.e. the data type) is returned (as int). If <flag> is 1, the
second element is returned.
If <arg> is a closure, the <flag> setting 2 lets the efun
return the object the closure is bound to.
For every other <flag> setting, -1 is returned.
The secondary information is:
- for mappings the width, ie the number of data items per key.
- for closures, symbols and quoted arrays the number of quotes.
- for strings 0 for shared strings, and non-0 for others.
- -1 for all other datatypes.
BUGS
This function seems to be due to frequent changes as the
driver develops resp. is debugged.
HISTORY
Introduced in 3.2@127
Flag setting 2 was introduced in 3.2.1@84.
Secondary string information was introduced in 3.2.7.
Up to 3.2.7 inclusive, get_type_info(closure,2) did not return
the object from a lambda closure or bound-lambda closure.
SEE ALSO
debug_info(E), typeof(E)