This could cause confusion because str.replace() has a completely
different API.
And indeed if a replace method were added to tuples, a fair case could
be made for it having the same API, viz.
replace(old, new, count=-1)
Whereas your suggestion can be written as a simple 1-liner, as you
demonstrate. So there is no strong need for a new method for it.
Best wishes
Rob Cliffe
On 10/03/2022 03:42, wfdc via Python-ideas wrote:
Add a "replace" method to tuples that returnsa new tuple with the
element at a given index replaced with a given value. Example
implementation:
def replace(self, index, value):
return self[:index] + (value,) + self[index + 1:]
See
https://stackoverflow.com/questions/11458239/how-to-change-values-in-a-tuple
for more context.
Currently, tuples have 2 public methods: index and count. replace
would be similarly easy to implement and similarly useful.
Furthermore, it would be a natural counterpartto nametuple's _replace
method.
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