Class: Dhall::Resolvers::RamCache

Inherits:

Object

Object
Dhall::Resolvers::RamCache

show all

Defined in:: lib/dhall/resolve.rb

Instance Method Summary collapse

#fetch(key, &block) ⇒ Object
#initialize ⇒ RamCache constructor

A new instance of RamCache.

Constructor Details

#initialize ⇒ `RamCache`

Returns a new instance of RamCache.



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# File 'lib/dhall/resolve.rb', line 159

def initialize
  @cache = {}
end

Instance Method Details

#fetch(key, &block) ⇒ `Object`

# File 'lib/dhall/resolve.rb', line 163

def fetch(key, &block)
  return @cache[key] if @cache.key?(key)

  Promise.resolve(nil).then(&block).then do |result|
    @cache[key] = result
  end
end