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R.f
— get field of record
Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
infix operations
keywords
lists, sets and tables
math
metadata
output formatting
pattern matching
prefix operations
records
strings
windows and keyboards
Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
base
—
lists, sets and tables
,
generators
key
generate keys from table
Description
x1, x2, ..., xn key(T)
key
(
T
) generates the keys in table
T
then
fail
.
Parameters
T
'table'
returns
keys
from
T
on successive calls
Errors
124
T
is not a
table
