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# frozen_string_literal: true
module Sass
module Value
# Sass's function type.
#
# @see https://sass-lang.com/documentation/js-api/classes/sassfunction/
class Function
include Value
# @param signature [::String]
# @param callback [Proc]
def initialize(signature, &callback)
@signature = signature.freeze
@callback = callback.freeze
end
# @return [Object, nil]
protected attr_reader :compile_context
# @return [Integer, nil]
protected attr_reader :id
# @return [::String, nil]
attr_reader :signature
# @return [Proc, nil]
attr_reader :callback
# @return [::Boolean]
def ==(other)
return false unless other.is_a?(Sass::Value::Function)
if defined?(@id)
other.compile_context == compile_context && other.id == id
else
other.signature == signature && other.callback == callback
end
end
# @return [Integer]
def hash
@hash ||= defined?(@id) ? [compile_context, id].hash : [signature, callback].hash
end
# @return [Function]
def assert_function(_name = nil)
self
end
end
end
end
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