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Add function for checking if a node ID already exists

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This commit is contained in:
Robert Machmer 2016-01-09 02:02:44 +01:00
parent 3adb350ca3
commit 436ec9f78f
1 changed files with 8 additions and 0 deletions
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8
fd/Graph.lua
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@ -163,6 +163,14 @@ function Graph.new()
func( edges, nodes );
end
---
-- Checks if a certain Node ID already exists.
-- @param id - The id to check for.
--
function self:hasNode( id )
return nodes[id] ~= nil;
end
---
-- Returns the node the id is pointing to.
-- @param id - The id to check for.