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Adjust index number of tuple pretty printer

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The tuple pretty printer uses 1-based indeces which is quite confusing
considering the access to the same values with the std::get functions
uses 0-based indeces.  This patch changes the pretty printer since
this is not a guaranteed API.

libstdc++-v3/ChangeLog:

	* python/libstdcxx/v6/printers.py (class StdTuplePrinter): Use
	zero-based indeces just like std:get takes.
This commit is contained in:
Ulrich Drepper 2022-08-04 13:18:05 +02:00
parent 2f17f489de
commit 075683767a
1 changed files with 2 additions and 2 deletions
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4
libstdc++-v3/python/libstdcxx/v6/printers.py
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@ -611,9 +611,9 @@ class StdTuplePrinter:
# the value "as is".
fields = impl.type.fields ()
if len (fields) < 1 or fields[0].name != "_M_head_impl":
return ('[%d]' % self.count, impl)
return ('[%d]' % (self.count - 1), impl)
else:
return ('[%d]' % self.count, impl['_M_head_impl'])
return ('[%d]' % (self.count - 1), impl['_M_head_impl'])
def __init__ (self, typename, val):
self.typename = strip_versioned_namespace(typename)