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From: "Alejandro R. Mosteo" <alejandro@mosteo.com>
Newsgroups: comp.lang.ada
Subject: Re: attributes on expressions, not name
Date: Wed, 28 Feb 2018 19:38:59 +0100
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Date: 2018-02-28T19:38:59+01:00
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On 28/02/18 18:55, Niklas Holsti wrote:
> 
> If I have one function LINE return String, and another LINE return 
> Integer, and try to compute LINE'Length, GNAT tells me:
> 
> func_attr.adb:22:41: ambiguous prefix for "Length" attribute

Recently in a similar case, GNAT even suggested to me to disambiguate 
like so:

String'(LINE)'Length