Code Instructions

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Haoxi Zhan edited this page Dec 11, 2013 · 9 revisions

This page introduces instructions for :code and :exec.

Stack manipulations

code_append

Append the first two items in :code
Return the result to :code

code_atom

If the first item in :code is a sequence: false pushed to :boolean
If the first item in :code is not a sequence: true pushed to :boolean

code_car

perform first on the first item in :code

code_cdr

perform rest on the first item in :code

code_cons

Concatenate the second item in :code to the first item in :code