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Re: Scope of "this" variable

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Ben Bacarisse [2015-12-29 20:47:15Z] wrote:

> ["this"] is a keyword and not the name of a variable and does not have
> scope. But the object to which the keywords refers does changes as
> execution contexts are created, entered and exited. As such it feels a
> bit like something with scope, but trying to fit it into the model of
> a scoped name will just cause confusion.

> When you call a method like item1.foo.fn2, part of the process
> establishes a value for 'this'.  Calling x.f(...) executes f in a
> context in which this refers to x.  Here, 'this' will refer to
> item1.foo.  I think you'll agree that you want that behaviour more often
> than not.

Thank you, and everybody. Many good details were given. I come mostly
From Common Lisp (I'm still "there") and even the semantics of this
dot.notation.thing is quite new to me, even though its very common. But
I got a fair step forward with this discussion and by reading the
standard. Thanks.

-- 
/// Teemu Likonen   - .-..   <https://github.com/tlikonen> //
// PGP: 4E10 55DC 84E9 DFF6 13D7 8557 719D 69D3 2453 9450 ///

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Thread

Scope of "this" variable Teemu Likonen <tlikonen@iki.fi> - 2015-12-29 21:34 +0200
  Re: Scope of "this" variable Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-12-29 20:47 +0000
    Re: Scope of "this" variable Teemu Likonen <tlikonen@iki.fi> - 2015-12-30 10:57 +0200
  Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-29 22:09 +0100
  Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-29 19:38 -0200
    Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-29 19:46 -0200
      Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-30 00:42 +0100
    Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-30 00:35 +0100
    Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-30 02:18 -0200

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