Re: syntax of ^:arglists ?

[Herwig Hochleitner]

I'd say, same as you would destructure them inline: [& {:keys [k1 k2]}]

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syntax of ^:arglists ?

[Georgi Danov]

Hi, 
 Is there some formal syntax used by ^:arglists? I want to express 
key-value pairs that are spliced, e.g. (some-fn :k1 value :k2 value)

Thanks,
Georgi

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Re: syntax of ^:arglists ?

[Georgi Danov]

I'd like the keys to be optional and destructuring does not support that.

On Mon, Dec 21, 2015, 3:48 PM Herwig Hochleitner 
wrote:

> I'd say, same as you would destructure them inline: [& {:keys [k1 k2]}]
>
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Re: syntax of ^:arglists ?

[Herwig Hochleitner]

It does. When not passed, a key is nil, or you can provide an or binding:
[& {:keys [k1 k2] :or {k1 :default1 k2 :default2}]

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Re: syntax of ^:arglists ?

[Herwig Hochleitner]

err​ [& {:keys [k1 k2] :or {k1 :default1 k2 :default2}}]

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