Difference between revisions of "Keys"

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m (See Also)
 
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== Calling Convention ==
+
== Calling Pattern ==
 
Call
 
Call
 
  local r = sl.keys(arg)
 
  local r = sl.keys(arg)
Line 16: Line 16:
 
  print(r[3])
 
  print(r[3])
  
  --> '0'
+
  --> 0
--> 'alice'
+
    alice
--> 'table: 0x01532f08'
+
    table: 0x01532f08
  
 
== Description ==
 
== Description ==
Line 27: Line 27:
  
 
* [http://www.easyuo.com/openeuo/wiki/index.php/Simplelib simplelib]
 
* [http://www.easyuo.com/openeuo/wiki/index.php/Simplelib simplelib]
 +
 +
* [[exkeyvalstr]]
  
 
* [[keystr]]
 
* [[keystr]]
  
 
* [[keyvalstr]]
 
* [[keyvalstr]]
 +
 +
* [[tabletolua]]

Latest revision as of 17:42, 8 January 2011

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.

See Also