lr=. 5!:5 @ < NB. "Linear. The linear representation is a string which, when interpreted, produces the named object."
u=. (<('0');0)`
lr'u'
0`
v=. 0`
(<0)u
+-----+-+
|+-+-+|0|
||0|0|| |
|+-+-+| |
+-----+-+
(<0)v
|domain error: v
| (<0)v
erase'v'
1
". 'v=.',lr'u'
v
0`
+-+-+
|0|`|
+-+-+
0`
(<0)v
|domain error: v
| (<0)v
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