I'm defining a class within Haml, and I'd like to be able to use the Haml
helpers within this class. For example:
- class Whatever
- def self.write
- haml_concat "something"
- Whatever.write
Ideally, Whatever.write would output "something" to the template, but it
simply fails with undefined method 'haml_concat' for
Haml::Engine::Whatever:Class.
Full stacktrace: haml_test.haml:5:in `write': undefined method
`haml_concat' for Haml::Engine::Whatever:Class (NoMethodError)
from haml_test.haml:8:in `block in render'
from
/home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/lib/haml/engine.rb:191:in
`eval'
from
/home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/lib/haml/engine.rb:191:in
`render'
from
/home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/lib/haml/exec.rb:281:in
`process_result'
from
/home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/lib/haml/exec.rb:41:in
`parse'
from
/home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/lib/haml/exec.rb:21:in
`parse!'
from /home/fraser/.rvm/gems/ruby-1.9.3-p125/gems/haml-3.1.4/bin/haml:9:in
`<top (required)>'
from /home/fraser/.rvm/gems/ruby-1.9.3-p125/bin/haml:19:in `load'
from /home/fraser/.rvm/gems/ruby-1.9.3-p125/bin/haml:19:in `<main>'
How can I get this to work properly? I've tried using both extend and
include Haml::Helpers, but they both fail too. Any ideas?
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