Difference between revisions of "Keys"

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m (Created page with "''keys implemented, but undocumented'' Function keys returns a table of the keys found in its sole argument.")
 
m (See Also)
 
(6 intermediate revisions by the same user not shown)
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''keys implemented, but undocumented''
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== Calling Pattern ==
 +
Call
 +
local r = sl.keys(arg)
 +
Args
 +
arg is a table
 +
Results
 +
r is a table of strings
  
Function keys returns a table of the keys found in its sole argument.
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== Usage Example ==
 +
 
 +
local s = {[11]=16}
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local t = { [0]='finale', alice='joker', [s]='88'}
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local r = sl.keys(t)
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print(r[1])
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print(r[2])
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print(r[3])
 +
 
 +
--> 0
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    alice
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    table: 0x01532f08
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 +
== 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 ==
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* [http://www.easyuo.com/openeuo/wiki/index.php/Simplelib simplelib]
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* [[exkeyvalstr]]
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* [[keystr]]
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* [[keyvalstr]]
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* [[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