Module: L43::Core::ObjectExtensions

Defined in:
lib/l43/core/object_extensions.rb

Instance Method Summary collapse

Instance Method Details

#instance_variables_set(*names, **from) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/l43/core/object_extensions.rb', line 8

def instance_variables_set(*names, **from)
  # check
  names.each do
    ivar = "@#{it}"
    raise InstanceVariableOverride,
      "must not override existing instance variable #{ivar}" if instance_variable_defined?(ivar)
    raise MissingValue,
      "must provide a value for instance variable #{ivar} in keyword args: #{from.inspect}" unless
      from.has_key?(it)
  end
  # execute
  names.each do
    ivar = "@#{it}"
    instance_variable_set(ivar, from[it])
  end
end

#instance_variables_set!(*names, **from) ⇒ Object 



25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/l43/core/object_extensions.rb', line 25

def instance_variables_set!(*names, **from)
  # check
  names.each do
    ivar = "@#{it}"
      "must provide a value for instance variable #{ivar} in keyword args: #{from.inspect}" unless
      from.has_key?(it)
  end
  # execute
  names.each do
    ivar = "@#{it}"
    instance_variable_set(ivar, from[it])
  end
end