[Rd] ?Syntax wrong about `?`'s precedence ?

Stephen Ellison
Fri, 30 Aug 2019 11:40:58 -0000

> From: R-devel [mailto:r-devel-bounces at r-project.org] On Behalf Of Ant F
> Sent: 29 August 2019 12:06
> To: r-devel at r-project.org
> Subject: [Rd] ?Syntax wrong about `?`'s precedence ?
> ...
> See the following example :
>
>     `?` <- `+`

I'm curious; What did you expect to happen if you replace the function
'?' with the operator '+' ?
? is surely now being evaluated as a user-defined function and not as an
operator.
Would you expect the results of doing that to be the same as evaluation without
replacement?

S Ellison




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