Class: Luoma::CoalesceExpression

Inherits:
InfixExpression show all
Defined in:
lib/luoma/expression.rb,
sig/luoma/expression.rbs

Instance Attribute Summary

Attributes inherited from Expression

#span, #token

Instance Method Summary collapse

Methods inherited from InfixExpression

#children, #initialize

Methods inherited from Expression

#children, #initialize, #scope

Constructor Details

This class inherits a constructor from Luoma::InfixExpression

Instance Method Details

#evaluate(context) ⇒ Object

Signature:

  • (RenderContext) -> untyped



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# File 'lib/luoma/expression.rb', line 413

def evaluate(context)
  left = @left.evaluate(context)
  context.env.nothing?(left) ? @right.evaluate(context) : left
end

#to_s ⇒ Object

Signature:

  • () -> String



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# File 'lib/luoma/expression.rb', line 419

def to_s
  "#{@left} orElse #{@right}"
end