Class: TTFunk::Min

Inherits:
Aggregate show all
Defined in:
lib/ttfunk/min.rb

Overview

Minimum aggregate. Its value can only become lower.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(init_value = nil) ⇒ Min

Returns a new instance of Min.

Parameters:

  • init_value (Comparable) (defaults to: nil)

    initial value

Source Code
lib/ttfunk/min.rb, line 12
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def initialize(init_value = nil)
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  super()
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  @value = init_value
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end

Instance Attribute Details

#valueComparable? (readonly)

Value

Returns:

  • (Comparable, nil)
Source Code
lib/ttfunk/min.rb, line 9
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def value
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  @value
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end

Instance Method Details

#<<(new_value) ⇒ void

This method returns an undefined value.

Push a value. It will become the new value if it’s lower than the current value (or if there was no value).

Parameters:

  • new_value (Comparable)
Source Code
lib/ttfunk/min.rb, line 22
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def <<(new_value)
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  new_value = coerce(new_value)
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  if value.nil? || new_value < value
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    @value = new_value
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  end
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end

#value_or(default) ⇒ any

Get the stored value or default.

Parameters:

  • default (any)

Returns:

  • (any)
Source Code
lib/ttfunk/min.rb, line 34
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def value_or(default)
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  return default if value.nil?
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  value
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end