Pleasing to see and somehow elegant. I believe .= is a good idea. On Jan 23, 2017 14:18, <python-ideas-request@python.org> wrote:

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Today's Topics:

1. Re: "Immutable Builder" Pattern and Operator (Cory Benfield) 2. Re: "Immutable Builder" Pattern and Operator (Paul Moore) 3. Re: "Immutable Builder" Pattern and Operator (Serhiy Storchaka) 4. Re: "Immutable Builder" Pattern and Operator (Soni L.) 5. Re: "Immutable Builder" Pattern and Operator (M.-A. Lemburg)

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Message: 1 Date: Mon, 23 Jan 2017 09:32:02 +0000 From: Cory Benfield <cory@lukasa.co.uk> To: "Soni L." <fakedme+py@gmail.com> Cc: python-ideas@python.org Subject: Re: [Python-ideas] "Immutable Builder" Pattern and Operator Message-ID: <8671EBCA-148F-41C8-A592-46EF653B9CAE@lukasa.co.uk> Content-Type: text/plain; charset="utf-8"

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On 22 Jan 2017, at 22:45, Soni L. <fakedme+py@gmail.com> wrote:

This pattern is present in the cryptography module already with things like their x509.CertificateBuilder: https://cryptography.io/en/ latest/x509/reference/#cryptography.x509.CertificateBuilder < https://cryptography.io/en/latest/x509/reference/#cryptography.x509. CertificateBuilder>.

My 2c, but I find that code perfectly readable and legible. I don?t think a dot-equals operator would be needed.

Cory