Difference between revisions of "Table.find"
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=== Description === | === Description === | ||
Within the given array-like table ''t'', find the first occurrence of ''value'', starting from ''index'' or the beginning if not provided. If the value is not found, nil is returned. | Within the given array-like table ''t'', find the first occurrence of ''value'', starting from ''index'' or the beginning if not provided. If the value is not found, nil is returned. | ||
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(any) = table.find(t,value,index) | (any) = table.find(t,value,index) | ||
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'''A linear search algorithm is performed''' | '''A linear search algorithm is performed''' | ||
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=== Example === | === Example === | ||
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local t = {"a", "b", "c", "d", "e"} | local t = {"a", "b", "c", "d", "e"} | ||
print(table.find(t, "d")) --> 4 | print(table.find(t, "d")) --> 4 | ||
print(table.find(t, "z")) --> nil, because z is not in the table | print(table.find(t, "z")) --> nil, because z is not in the table | ||
print(table.find(t, "b", 3)) --> nil, because b appears before index 3 | print(table.find(t, "b", 3)) --> nil, because b appears before index 3 | ||
| − | </ | + | </syntaxhighlight> |
{{Table}} | {{Table}} | ||
Latest revision as of 15:33, 13 July 2023
Available since: Gideros 2022.3
Class: table
Description
Within the given array-like table t, find the first occurrence of value, starting from index or the beginning if not provided. If the value is not found, nil is returned.
(any) = table.find(t,value,index)
A linear search algorithm is performed
Parameters
t: (table) source table
value: (any) value to find
index: (number) index to start the search at optional
Return values
Returns (any) the index of first occurence of value or nil if not found
Example
local t = {"a", "b", "c", "d", "e"}
print(table.find(t, "d")) --> 4
print(table.find(t, "z")) --> nil, because z is not in the table
print(table.find(t, "b", 3)) --> nil, because b appears before index 3
