On Thursday, March 27, 2014 4:15:19 AM UTC+5:30, Marko Rauhamaa wrote:
> Chris Angelico :
> > You prove here that Python has first-class expressions in the same way
> > that 80x86 assembly language has garbage collection. Sure, you can
> > implement it using the primitives you have, but that's not support.
> I was more reminded of STL and Boost. For example:
> std::for_each(v.begin(), v.end(),
> (
> switch_statement(
> _1,
> case_statement<0>(std::cout << constant("zero")),
> case_statement<1>(std::cout << constant("one")),
> default_statement(cout << constant("other: ") << _1)
> ),
> cout << constant("\n")
> )
> );
> (<URL: http://www.boost.org/doc/libs/1_55_0/doc/html/lambda/
> le_in_details.html#lambda.switch_statement>)
I must admit I have a hard time reading C++!
However that link seems to be saying more or less what I am -- viz. lambda
is a delay operator
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