method

expand

rails latest stable - Class: ActiveSupport::Callbacks::Callback::CallTemplate

expand(target, value, block)

public

Return the parts needed to make this call, with the given input values.

Returns an array of the form:

[target, block, method, *arguments]

This array can be used as such:

target.send(method, *arguments, &block)

The actual invocation is left up to the caller to minimize call stack pollution.

# File activesupport/lib/active_support/callbacks.rb, line 408
        def expand(target, value, block)
          expanded = [@override_target || target, @override_block || block, @method_name]

          @arguments.each do |arg|
            case arg
            when :value then expanded << value
            when :target then expanded << target
            when :block then expanded << (block || raise(ArgumentError))
            end
          end

          expanded
        end

expand

Method deprecated or moved

Related methods