Are scalar type's in/out functions implicitly STRICT?

From: Denis Zaitsev <zzz(at)cd-club(dot)ru>
To: pgsql-sql(at)postgresql(dot)org
Subject: Are scalar type's in/out functions implicitly STRICT?
Date: 2003-02-28 00:45:44
Message-ID: 20030228054544.A4208@natasha.zzz.zzz
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So, I create some new scalar type and I don't declare its in/out
functions as STRICT. But PostgreSQL copes with them such as they
would be STRICT - they never get the NULL value. And this is not
documented, AFAIK. Have I missed something or is it a some hard
well-known etc. fact? Thanks in advance.

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