firstchild

Node|nil child firstchild ( Node node , string|{string} type , [ string|function pattern ] , [ boolean recursive ] )

Find the first child in a node that match the search parameters

The firstchild function is written as:

function firstchild (...)
    for child in children (...) do
        return child
    end
end


Arguments:

• node The node to search into
• type A class or list of classes the child must belong to
• pattern A Lua's pattern used to check the name of the node, or a function that filter the node. See Lua's pattern documentation.
• recursive if true, traverse the whole parent hierarchy.

Return:

• child The first child found or nil if none matches

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