b.niemann at betternet.de
Fri Aug 27 10:17:16 CEST 2004
lambda returns the functions, thus can be used *in* an expression or
function call, when a callable is required. This is often a useful shortcut.
But according to another thread 'lambda' is one candidate for things
that are dropped in a future version of Python...
Michael Foord wrote:
> I'm starting to read through the developer works article on Functional
> Programming - http://www-106.ibm.com/developerworks/library/l-prog.html
> It starts by giving some basic examples using lambda. What I'm
> wondering is what's the actual difference between these two forms ?
> pr = lambda s:s
> def pr(s):
> return s
> Both bind the name 'pr' to a function object that does the same thing
> ?? I know that lambda functions can only be a single expression......
> Is it just a basic example (and so in this case there is no
> difference).. or am I missing something. (What's the point of an
> 'anonymous' function... if you give a name to it !!).
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