Difference between revisions of "Keys"
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| − | + | == Calling Convention == | |
| + | 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 == | == See Also == | ||
* [http://www.easyuo.com/openeuo/wiki/index.php/Simplelib simplelib] | * [http://www.easyuo.com/openeuo/wiki/index.php/Simplelib simplelib] | ||
| + | |||
| + | * [[keystr]] | ||
| + | |||
| + | * [[keyvalstr]] | ||
Revision as of 14:23, 2 November 2010
Calling Convention
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.
