{"id":8104,"date":"2023-01-11T05:00:14","date_gmt":"2023-01-11T03:00:14","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=8104"},"modified":"2023-04-26T17:36:39","modified_gmt":"2023-04-26T15:36:39","slug":"11-ene-23a","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/11-ene-23a\/","title":{"rendered":"El tipo de las expresiones aritm\u00e9ticas con variables"},"content":{"rendered":"<h3>1. El tipo de las expresiones aritm\u00e9ticas con variables en Haskell<\/h3>\n<p>La expresi\u00f3n 2*(a+5) puede representarse por<\/p>\n<pre lang=\"text\">\n   P (C 2) (S (V 'a') (C 5))\n<\/pre>\n<p>usando el tipo de las expresiones aritm\u00e9ticas con variables definido como se muestra a continuaci\u00f3n.<\/p>\n<pre lang=\"haskell\">\nmodule Expresion_aritmetica_con_variables where\n\ndata Expr = C Int\n          | V Char\n          | S Expr Expr\n          | P Expr Expr\n  deriving (Eq, Show)\n<\/pre>\n<h3>2. El tipo de las expresiones aritm\u00e9ticas con variables en Python<\/h3>\n<p>La expresi\u00f3n 2*(a+5) puede representarse por<\/p>\n<pre lang=\"text\">\n   P(C(2), S(V('a'), C(5)))\n<\/pre>\n<p>usando el tipo de las expresiones aritm\u00e9ticas con variables definido como se muestra a continuaci\u00f3n.<\/p>\n<pre lang=\"python\">\nfrom dataclasses import dataclass\n\n\n@dataclass\nclass Expr:\n    pass\n\n@dataclass\nclass C(Expr):\n    x: int\n\n@dataclass\nclass V(Expr):\n    x: str\n\n@dataclass\nclass S(Expr):\n    x: Expr\n    y: Expr\n\n@dataclass\nclass P(Expr):\n    x: Expr\n    y: Expr\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1. El tipo de las expresiones aritm\u00e9ticas con variables en Haskell La expresi\u00f3n 2*(a+5) puede representarse por P (C 2) (S (V &#8216;a&#8217;) (C 5)) usando el tipo de las expresiones aritm\u00e9ticas con variables definido como se muestra a continuaci\u00f3n. module Expresion_aritmetica_con_variables where data Expr = C Int | V Char | S Expr Expr&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[581],"tags":[582],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8104"}],"collection":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/comments?post=8104"}],"version-history":[{"count":2,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8104\/revisions"}],"predecessor-version":[{"id":8106,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8104\/revisions\/8106"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=8104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=8104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=8104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}