class RuboCop::Cop::Style::ArrayJoin
Checks for uses of “*” as a substitute for join.
Not
all cases can reliably checked, due to Ruby’s dynamic types, so we consider only cases when the first argument is an array literal or the second is a string literal.
@example
# bad %w(foo bar baz) * "," # good %w(foo bar baz).join(",")
Constants
- MSG
- RESTRICT_ON_SEND
Public Instance Methods
Source
# File lib/rubocop/cop/style/array_join.rb, line 29 def on_send(node) return unless (array, join_arg = join_candidate?(node)) add_offense(node.loc.selector) do |corrector| corrector.replace(node, "#{array.source}.join(#{join_arg.source})") end end