Difference between revisions of "Keys"
From OpenEUO
m |
m (→Calling Convention) |
||
| Line 1: | Line 1: | ||
| − | == Calling | + | == Calling Pattern == |
Call | Call | ||
local r = sl.keys(arg) | local r = sl.keys(arg) | ||
Revision as of 15:07, 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.
