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Nicer error message when activating nonexistent rule #246

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merged 2 commits into from
Oct 20, 2019
Merged

Nicer error message when activating nonexistent rule #246

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504a3cb
Nicer error message when activating nonexistent rule
apjanke Dec 20, 2018
3a48c73
prefer unless
jaymzh Oct 20, 2019
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6 changes: 6 additions & 0 deletions lib/mdl/style.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,13 @@ def all
end

def rule(id, params={})
if block_given?
raise "'rule' does not take a block. Should this definition go in a ruleset instead?"
end
id = @aliases[id] if @aliases[id]
unless @all_rules[id]
raise "No such rule: #{id}"
end
@rules << id
@all_rules[id].params(params)
end
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