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Fri, 16 Apr 2021 11:47:13 -0700 (PDT) MIME-Version: 1.0 References: <20210307171712.GA9936@tarpaulin.shahaf.local2> <20210416182604.GB15670@tarpaulin.shahaf.local2> In-Reply-To: <20210416182604.GB15670@tarpaulin.shahaf.local2> From: Bart Schaefer Date: Fri, 16 Apr 2021 11:47:01 -0700 Message-ID: Subject: Re: zmathfunc: min, max, sum throw error if result equals 0 To: Daniel Shahaf Cc: Zsh hackers list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 48603 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Fri, Apr 16, 2021 at 11:26 AM Daniel Shahaf wro= te: > > When =C2=AB$foo=C2=BB appears inside =C2=AB$((=E2=80=A6))=C2=BB, it's exp= anded as a string that's > then parsed as math. The result of =C2=AB$((=E2=80=A6))=C2=BB is then as= signed to the > $result, which is eventually used as =C2=AB(( result ))=C2=BB, where =E2= =80=94 because > ${(t)result} is non-integer scalar =E2=80=94 there will be another > string-to-integer conversion. Yes, there's another string-to-integer conversion, but I haven't figured out how =C2=ABresult=3D$((...))=C2=BB can possibly assign any strin= g that is not already a plain number, so the string-to-integer conversion is free of meaningful side-effects. Have I missed something?