Class: Keisan::Functions::Sample
- Inherits:
-
ProcFunction
- Object
- Keisan::Function
- ProcFunction
- Keisan::Functions::Sample
- Defined in:
- lib/keisan/functions/sample.rb
Instance Attribute Summary
Attributes inherited from ProcFunction
Attributes inherited from Keisan::Function
Instance Method Summary collapse
-
#call(context, *args) ⇒ Object
Single argument: list to sample element from Double argument: list and number of elements to sample.
-
#initialize ⇒ Sample
constructor
A new instance of Sample.
Methods inherited from ProcFunction
Methods inherited from Keisan::Function
#differentiate, #evaluate, #simplify, #value
Constructor Details
#initialize ⇒ Sample
Returns a new instance of Sample.
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# File 'lib/keisan/functions/sample.rb', line 4 def initialize @name = "sample" @arity = ::Range.new(1, 2) end |
Instance Method Details
#call(context, *args) ⇒ Object
Single argument: list to sample element from Double argument: list and number of elements to sample
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# File 'lib/keisan/functions/sample.rb', line 11 def call(context, *args) case args.size when 1 args.first.sample(random: context.random) when 2 args[0].sample(args[1], random: context.random) else raise Exceptions::InvalidFunctionError.new end end |