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Add a variable to a class instance at runtime: Difference between revisions
Add a variable to a class instance at runtime (view source)
Revision as of 15:47, 23 March 2021
, 3 years agoimplement in nim-lang
m (→{{header|Phix}}: for dynamic names use []) |
(implement in nim-lang) |
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<pre>
30 20
</pre>
=={{header|Nim}}==
<lang nim>import json
{.experimental: "dotOperators".}
template `.=`(js: JsonNode, field: untyped, value: untyped) =
js[astToStr(field)] = %value
template `.`(js: JsonNode, field: untyped): JsonNode = js[astToStr(field)]
var obj = newJObject()
obj.foo = "bar"
echo(obj.foo)
obj.key = 3
echo(obj.key)</lang>
{{out}}
<pre>
"bar"
3
</pre>
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