User:Dan Bron/Temp/Hierarchy/Mullings
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1. To do this right, I really need to finish the description of lexing 1. The thread on NB.. led to a change to ;: . This is a good candidate for a rhematics example. EG: Which one of the following contains a comment? 1. Hint: this is NB.... not a comment 1. +/ % # NB.: average 1. 123NB. I like weird numbers! 1. Look Ma, I made a newNB. control word! 1. spaces? we don`NB.need no stink'n spaces! 1. Copulae as transparent, assignment of verbs vs. assignment of nouns (vs. assignment of mapped nouns), immediate vs. latent evocations:
sum=:plus=:+ sum NB. On a single line, copulae are always transparent, except as the last operation, where display is supressed. + hello =: 'hi' goodbye =: hello goodbye NB. Nouns are always immediately replaced by their evocations hi plus=:+ sum=:plus sum NB. Higher nameclasses are latent. plus NB. So changing the previous name .. changes the cascaded name NB. This is not true of nouns, but there's a way to emulate teh NB. behaviour, using mapped files. $ 'h' f. NB. Immediate $ 'h' ~ NB. Latent