One point worth making is that Python lambdas are artificially restricted:
the body of a Python lambda may only be a single expression, not a sequence
of statements. This restriction is for ideological reasons (the BDFL does
not *want* you to do that) not for technical reasons. Lisp and Algol 68
were doing lambda expressions in the 60s.
As well as function (x, y) { ... },
modern Javascript has (x, y) => ...
with subtly different semantics.
On Thu, 16 May 2019 at 01:03, Hilaire <hila...@drgeo.eu> wrote:
> Hi,
>
> We, Smalltalkers, use bloc of code as easily as we breathe air.
>
> I am writing an article on Smalltalk programming for a French
> mathematics teachers magazine.
>
> To illustrate the simplicity of Smalltalk, I would like to compare how
> the bloc of code 'f' and 'df' below will be implemented in Javascript
> and Python:
>
>
> f := [ :x | x cos + x ].
> df := [ :x | (f value: x + 1e-8) - (f value: x) * 1e8].
>
> Here f is a way to implement a function and df its derivate.
>
> Do some of you knows how it will be written in Javascript and Python
> with their own ad-hoc anonymous function?
>
> Thanks
>
> Hilaire
>
> --
> Dr. Geo
> http://drgeo.eu
>
>
>
>
