empty<6>

pry(main)> import Pry::ExtendedCommands::Experimental
pry(main)> def validate_code
pry(main)*   puts "hello, about to validate some code!"
pry(main)* show-input
0: def validate_code
1:   puts "hello, about to validate some code!"
pry(main)* # oops forgot to add a parameter!
pry(main)* rue-0 def validate_code(code)
pry(main)* show-input
0:  def validate_code(code)
1:   puts "hello, about to validate some code!"
2: # oops forgot to add a parameter!
pry(main)* show-method Pry#valid_expression?

From: /Users/john/ruby/projects/pry/lib/pry/pry_instance.rb @ line 403:
Number of lines: 3

def valid_expression?(code)
  !!Ripper::SexpBuilder.new(code).parse
end
pry(main)* play-method Pry#valid_expression? -l 1..1
pry(main)* show-input
0:  def validate_code(code)
1:   puts "hello, about to validate some code!"
2: # oops forgot to add a parameter!
3:   !!Ripper::SexpBuilder.new(code).parse
pry(main)* rue-2
pry(main)* show-input
0:  def validate_code(code)
1:   puts "hello, about to validate some code!"
2: 
3:   !!Ripper::SexpBuilder.new(code).parse
pry(main)* end
=> nil
pry(main)> show-method validate_code

From: (pry) @ line 1:
Number of lines: 4

def validate_code(code)
 puts "hello, about to validate some code!"
 !!Ripper::SexpBuilder.new(code).parse
end
pry(main)> validate_code("puts 'hello world!'")
hello, about to validate some code!
=> true
pry(main)> validate_code("def broken")
hello, about to validate some code!
=> false