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}:y drops the last item of y,
and is equivalent to _1 }. y . Thus:
|
|
|
]y=: a. {~ (a. i. 'A') + i. 4 5
ABCDE
FGHIJ
KLMNO
PQRST
f=: }: ; {:
f y
+-----+-----+
|ABCDE|PQRST|
|FGHIJ| |
|KLMNO| |
+-----+-----+
g=: }: ,.@; {:
g y
+-----+
|ABCDE|
|FGHIJ|
|KLMNO|
+-----+
|PQRST|
+-----+
h=: {. ,.@; }.
h y
+-----+
|ABCDE|
+-----+
|FGHIJ|
|KLMNO|
|PQRST|
+-----+
}:"1 y
ABCD
FGHI
KLMN
PQRS
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