Difference between revisions of "Keys"
From OpenEUO
					
										
					
					| m (→Calling Convention) | m (→Usage Example) | ||
| Line 16: | Line 16: | ||
|   print(r[3]) |   print(r[3]) | ||
| − |   -->  | + |   --> 0 | 
| − |   -->  | + |   --> alice | 
| − |   -->  | + |   --> table: 0x01532f08 | 
| == Description == | == Description == | ||
Revision as of 16:43, 2 November 2010
Calling Pattern
Call
local r = sl.keys(arg)
Args
arg is a table
Results
r is a table of strings
Usage Example
local s = {[11]=16}
local t = { [0]='finale', alice='joker', [s]='88'}
local r = sl.keys(t)
print(r[1])
print(r[2])
print(r[3])
--> 0 --> alice --> table: 0x01532f08
Description
The helper function keys returns a table of the keys found in its sole argument. The keys are converted to strings before insertion into the resultant table. If the sole argument is not a table, then an empty table is returned.
