ERB warning: useless use of a variable in void context with -W
--------------------------------------------------------------
Key: JRUBY-4860
URL: http://jira.codehaus.org/browse/JRUBY-4860
Project: JRuby
Issue Type: Bug
Components: Standard Library
Affects Versions: JRuby 1.5.1
Environment: JRuby 1.5.1, Ubuntu 10
Reporter: Daniel Berger
Assignee: Thomas E Enebo
This code emits "(erb): 7 warning: useless use of a variable in void context"
with ERB using JRuby 1.5.1 if you run with the -W switch:
{noformat}
# jruby -W test.rb
require 'erb'
header = 'stdio.h'
template = %Q{
#include <<%= header %>>
int main(){
return 0;
}
}
puts ERB.new(template).result(binding)
{noformat}
MRI does not emit this warning.
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