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Re: local variable

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WJ wrote:

> grobibi wrote:
> 
> > Hello,
> > There is something I don't understand with local variable with gforth.
> > A variable defined like this :
> > 
> > variable x 10
> > 
> > will have a general scope. How can I get a
> > local scope for a variable inside a word definition ? Is it possible ?
> > 
> 
> Oforth:
> 
> x is the local variable.
> 
> func: pair-with-squares(list)
>   {|x|  list map( #[ -> x  [x, x x *]])}
> 
> 
>   > [2,3,4] pair-with-squares println
>   [[2, 4], [3, 9], [4, 16]]
>   ok
>   > pair-with-squares([5,6,7,8]) println
>   [[5, 25], [6, 36], [7, 49], [8, 64]]
>   ok

For OFORTH version V0.9.23.1:

: pair-with-squares(list)
  |x|  list map( #[ -> x  [x, x x *]]) ;

  > [2,3,4] pair-with-squares .
  [[2, 4], [3, 9], [4, 16]] ok

  > pair-with-squares([5,6,7,8]) println
  [[5, 25], [6, 36], [7, 49], [8, 64]]

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Re: local variable "WJ" <w_a_x_man@yahoo.com> - 2016-02-08 16:09 +0000

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