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NoMethod - Undefined method error even if the method has been defined

Undefined method `%' for nil:NilClass (NoMethodError)“undefined method `valid?'” in chapter 10 of Michael Hartl's tutorialNo Method Error Rails(Method is there)RSpec undefined method “errors_on”Rspec POST results in undefined method `key?' for :create:SymbolExecution Flow in RubyWhere is undefined method called?Action Controller: Exception | undefined method `fetch_value' for nil:NilClassUndefined local variable or method error RubyRSpec error: undefined method `include?' for nil:NilClass & undefined method `downcase' for nil:NilClass

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;

-4

I'm getting a no method - method undefined error while I am defining a method AFTER a particular method ends. The method defined before this one has an if..else statement block which might be creating an issue here

I've tried defining the mentioned method before the "problem making method" and in that case, my method works properly. But if any method is defined after that particular method, I get the same error message.

def display_board(board)
puts " #board[0] | #board[1] | #board[2] "
puts "-----------"
puts " #board[3] | #board[4] | #board[5] "
puts "-----------"
puts " #board[6] | #board[7] | #board[8] "
end
def input_to_index(pos)
 pos = pos.to_i - 1
end

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
end
def move(board, pos, type)
 board[pos] = "#type" 
end
end

It should ideally pass all the test cases. But I'm getting this particular error:

1) ./lib/turn.rb #move allows "X" player in the bottom right and "O" in the top left
 Failure/Error: move(board, 0, "O")
 NoMethodError:
 undefined method `move' for #<RSpec::ExampleGroups::LibTurnRb::Move:0x0000000001db90d8>
 # ./spec/turn_spec.rb:70:in `block (3 levels) in <top (required)>'

ruby

share|improve this question

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  If you indent your code properly, issues like this are much easier to understand.
  
  – Tom Lord
  Mar 25 at 16:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TomLord I'm agree!
  
  – Nifriz
  Mar 25 at 16:38
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I agree too, apologies and thank you very much!
  
  – dslisanoob
  Mar 27 at 15:44
  

  
  
  
  

add a comment | 

-4

I'm getting a no method - method undefined error while I am defining a method AFTER a particular method ends. The method defined before this one has an if..else statement block which might be creating an issue here

I've tried defining the mentioned method before the "problem making method" and in that case, my method works properly. But if any method is defined after that particular method, I get the same error message.

def display_board(board)
puts " #board[0] | #board[1] | #board[2] "
puts "-----------"
puts " #board[3] | #board[4] | #board[5] "
puts "-----------"
puts " #board[6] | #board[7] | #board[8] "
end
def input_to_index(pos)
 pos = pos.to_i - 1
end

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
end
def move(board, pos, type)
 board[pos] = "#type" 
end
end

It should ideally pass all the test cases. But I'm getting this particular error:

1) ./lib/turn.rb #move allows "X" player in the bottom right and "O" in the top left
 Failure/Error: move(board, 0, "O")
 NoMethodError:
 undefined method `move' for #<RSpec::ExampleGroups::LibTurnRb::Move:0x0000000001db90d8>
 # ./spec/turn_spec.rb:70:in `block (3 levels) in <top (required)>'

ruby

share|improve this question

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  If you indent your code properly, issues like this are much easier to understand.
  
  – Tom Lord
  Mar 25 at 16:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TomLord I'm agree!
  
  – Nifriz
  Mar 25 at 16:38
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I agree too, apologies and thank you very much!
  
  – dslisanoob
  Mar 27 at 15:44
  

  
  
  
  

add a comment | 

I'm getting a no method - method undefined error while I am defining a method AFTER a particular method ends. The method defined before this one has an if..else statement block which might be creating an issue here

I've tried defining the mentioned method before the "problem making method" and in that case, my method works properly. But if any method is defined after that particular method, I get the same error message.

def display_board(board)
puts " #board[0] | #board[1] | #board[2] "
puts "-----------"
puts " #board[3] | #board[4] | #board[5] "
puts "-----------"
puts " #board[6] | #board[7] | #board[8] "
end
def input_to_index(pos)
 pos = pos.to_i - 1
end

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
end
def move(board, pos, type)
 board[pos] = "#type" 
end
end

It should ideally pass all the test cases. But I'm getting this particular error:

1) ./lib/turn.rb #move allows "X" player in the bottom right and "O" in the top left
 Failure/Error: move(board, 0, "O")
 NoMethodError:
 undefined method `move' for #<RSpec::ExampleGroups::LibTurnRb::Move:0x0000000001db90d8>
 # ./spec/turn_spec.rb:70:in `block (3 levels) in <top (required)>'

ruby

share|improve this question

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

def display_board(board)
puts " #board[0] | #board[1] | #board[2] "
puts "-----------"
puts " #board[3] | #board[4] | #board[5] "
puts "-----------"
puts " #board[6] | #board[7] | #board[8] "
end
def input_to_index(pos)
 pos = pos.to_i - 1
end

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
end
def move(board, pos, type)
 board[pos] = "#type" 
end
end

1) ./lib/turn.rb #move allows "X" player in the bottom right and "O" in the top left
 Failure/Error: move(board, 0, "O")
 NoMethodError:
 undefined method `move' for #<RSpec::ExampleGroups::LibTurnRb::Move:0x0000000001db90d8>
 # ./spec/turn_spec.rb:70:in `block (3 levels) in <top (required)>'

share|improve this question

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

share|improve this question

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

asked Mar 25 at 14:08

dslisanoobdslisanoob

122 bronze badges

2 Answers
2

active

oldest

votes

3

You have to close your valid_move? method before declare a new method (move)...

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end
end

def move(board, pos, type)
 board[pos] = "#type" 
end

If you declare move method inside another method, is not visible in the main program.

share|improve this answer

edited Mar 25 at 14:20

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

add a comment | 

0

your move defined in valide_move? maybe try a better code editor prettifying. :)

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end

 def move()
 board[pos] = "#type"
 puts "a" 
 end
end

share|improve this answer

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

add a comment | 

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3

You have to close your valid_move? method before declare a new method (move)...

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end
end

def move(board, pos, type)
 board[pos] = "#type" 
end

If you declare move method inside another method, is not visible in the main program.

share|improve this answer

edited Mar 25 at 14:20

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

add a comment | 

3

You have to close your valid_move? method before declare a new method (move)...

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end
end

def move(board, pos, type)
 board[pos] = "#type" 
end

If you declare move method inside another method, is not visible in the main program.

share|improve this answer

edited Mar 25 at 14:20

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

add a comment | 

You have to close your valid_move? method before declare a new method (move)...

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end
end

def move(board, pos, type)
 board[pos] = "#type" 
end

If you declare move method inside another method, is not visible in the main program.

share|improve this answer

edited Mar 25 at 14:20

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end
end

def move(board, pos, type)
 board[pos] = "#type" 
end

share|improve this answer

edited Mar 25 at 14:20

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

answered Mar 25 at 14:13

NifrizNifriz

41511 gold badge33 silver badges1414 bronze badges

0

your move defined in valide_move? maybe try a better code editor prettifying. :)

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end

 def move()
 board[pos] = "#type"
 puts "a" 
 end
end

share|improve this answer

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

add a comment | 

0

your move defined in valide_move? maybe try a better code editor prettifying. :)

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end

 def move()
 board[pos] = "#type"
 puts "a" 
 end
end

share|improve this answer

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

add a comment | 

your move defined in valide_move? maybe try a better code editor prettifying. :)

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end

 def move()
 board[pos] = "#type"
 puts "a" 
 end
end

share|improve this answer

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

def valid_move?(board, pos)
 if pos.between?(0,8)
 if board[pos] == " "
 return true
 else
 return false
 end
 else
 return false
 end

 def move()
 board[pos] = "#type"
 puts "a" 
 end
end

share|improve this answer

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges

answered Mar 25 at 14:17

Pan KePan Ke

54977 bronze badges