new

# File actionview/lib/action_view/template/resolver.rb, line 169
    def initialize(pattern = nil)
      if pattern
        ActiveSupport::Deprecation.warn "Specifying a custom path for #{self.class} is deprecated. Implement a custom Resolver subclass instead."
        @pattern = pattern
      else
        @pattern = DEFAULT_PATTERN
      end
      @unbound_templates = Concurrent::Map.new
      super()
    end