Class: Emu::Err

Inherits:

Object

• Object
• Emu::Err

Defined in:

lib/emu/result.rb

Instance Method Summary

• #error? ⇒ Boolean
• #initialize(error) ⇒ Err constructor

  A new instance of Err.

• #then ⇒ Object
• #to_s ⇒ Object
• #unwrap ⇒ Object
• #unwrap_err ⇒ Object

Constructor Details

#initialize(error) ⇒ Err

Returns a new instance of Err.

# File 'lib/emu/result.rb', line 3

def initialize(error)
  @error = error
end

Instance Method Details

#error? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/emu/result.rb', line 23

def error?
  true
end

#then ⇒ Object

# File 'lib/emu/result.rb', line 11

def then
  self
end

#to_s ⇒ Object

# File 'lib/emu/result.rb', line 7

def to_s
  "Err(#{@error})"
end

#unwrap ⇒ Object

# File 'lib/emu/result.rb', line 15

def unwrap
  raise "can't unwrap Err(#{@error.inspect})"
end

#unwrap_err ⇒ Object

# File 'lib/emu/result.rb', line 19

def unwrap_err
  @error
end