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Feature #8807

open

Custom literals

Added by trans (Thomas Sawyer) over 10 years ago. Updated over 3 years ago.

Status:
Open
Assignee:
-
Target version:
-
[ruby-core:56767]

Description

So why can't we define custom literals? There's been recent discussion about adding a new freeze literal. Would have been nice if coders could have defined it for themselves, then it would have been more clear if there really was enough use to add it to core.

I imagine the syntax of such a feature to be quite simple.

def %foo(string, mod=nil)
p [string, mod]
end

%foo{something}o
=> ["something", "o"]

Updated by drbrain (Eric Hodel) over 10 years ago

If you define a new literal in file "a.rb" you cannot use it in that file that defined it as it has already been parsed. This may be confusing.

Updated by Anonymous over 10 years ago

-1

Updated by naruse (Yui NARUSE) over 10 years ago

  • Target version changed from 2.1.0 to 3.0
Actions #4

Updated by naruse (Yui NARUSE) over 3 years ago

  • Target version deleted (3.0)
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