Class: Luoma::Lambda

Inherits:

Expression

• Object
• Expression
• Luoma::Lambda

Defined in:

lib/luoma/expression.rb,
sig/luoma/expression.rbs

Instance Attribute Summary

Attributes inherited from Expression

#span, #token

Instance Method Summary

• #children ⇒ Object
• #evaluate(context) ⇒ Object
• #initialize(token, params, expr) ⇒ Lambda constructor

  (t_token, Array, Expression) -> void.

• #scope ⇒ Object
• #to_s ⇒ Object

Constructor Details

#initialize(token, params, expr) ⇒ Lambda

(t_token, Array, Expression) -> void

Parameters:

• token (t_token)
• params (Array[Name])
• expr (Expression)

# File 'lib/luoma/expression.rb', line 723

def initialize(token, params, expr)
  super(token)
  @params = params
  @expr = expr
  @span = Luoma.span(token, expr.span)
end

Instance Method Details

#children ⇒ Object

# File 'lib/luoma/expression.rb', line 735

def children
  [@expr]
end

#evaluate(context) ⇒ Object

Signature:

• (RenderContext) -> untyped

# File 'lib/luoma/expression.rb', line 731

def evaluate(context)
  ExpressionDrop.new(LambdaExpr.new(@params.map(&:value), @expr, context))
end

#scope ⇒ Object

# File 'lib/luoma/expression.rb', line 739

def scope
  @params
end

#to_s ⇒ Object

Signature:

• () -> String

# File 'lib/luoma/expression.rb', line 744

def to_s
  "(#{@params.join(", ")}) => #{@expr}"
end