ciekawy artykul o algolu - Grupy dyskusyjne w eGospodarka.pl

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Subject: ciekawy artykul o algolu
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[ ukryj nagłówki ]
https://bulldogjob.pl/news/287-algol-co-po-nim-odzie
dziczylismy

dosyc ciekawy artykul imo (historia programowania bywa ciekawa, w programowaniu
czesto to co starsze jest ciekawsze niz to co nowsze) (yawn)

nie bardzo rozumiem jednak ten przyklad

<if clause> ::= if <Boolean expression> then

<unconditional statement> ::= <basic statement> |
<compound statement> | <block>

<if statement> ::= <if clause> <unconditional statement>

<conditional statement> ::= <if statement> |
<if statement> else <statement> |
<if clause> <for statement> |
<label>: <conditional statement>

co to jest? jak ktos to rozumie moglby mi wytlumaczyc