Issue #3987 has been updated by Henrik Lindberg.
IMO this should be rejected - the syntax serves no purpose. Let ${} mean
expression value interpolation.
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Feature #3987: Allow ${var} with curlies everywhere
https://projects.puppetlabs.com/issues/3987#change-73417
Author: Alan Barrett
Status: Accepted
Priority: Normal
Assignee: Pieter van de Bruggen
Category: parser
Target version: 3.x
Affected Puppet version: 0.25.5
Keywords: usability
Branch:
Inside quoted strings, variables may be written as "$var" or "${var}", but
outside quoted strings, the $var form is required, and attempts to use ${var}
result in confusing error messages:
<pre>
var = "value"
notify { "A": message => "$var", } # works
notify { "B": message => "${var}", } # works
notify { "C": message => $var, } # works
notify { "D": message => ${var}, } # fails, with Error 400 on SERVER: Could not
match '${var},' at <filename>:<line>
</pre>
It would be nice if ${var} could be used in this context.
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