47 lines
1.7 KiB
Ruby
47 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module RplLang
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module Core
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module List
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def populate_dictionary
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super
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@dictionary.add_word( ['→list', '->list'],
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'Lists',
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'( … x -- […] ) pack x stacks levels into a list',
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proc do
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args = stack_extract( [%i[numeric]] )
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args = stack_extract( %i[any] * args[0][:value] )
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@stack << { type: :list,
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value: args.reverse }
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end )
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@dictionary.add_word( ['list→', 'list->'],
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'Lists',
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'( […] -- … ) unpack list on stack',
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proc do
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args = stack_extract( [%i[list]] )
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args[0][:value].each do |elt|
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@stack << elt
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end
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end )
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@dictionary.add_word( ['dolist'],
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'Lists',
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'( […] prg -- … ) run prg on each element of a list',
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proc do
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args = stack_extract( [%i[program], %i[list]] )
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args[1][:value].each do |elt|
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@stack << elt
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run( args[0][:value] )
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end
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run( "#{args[1][:value].length} →list" )
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end )
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end
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end
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end
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end
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