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Fuzion
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Idioms
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Idiom # 18: Depth-first traversing of a tree
Idiom # 18: Depth-first traversing of a tree
See
programming-idioms.org
:
Code
node(T type, val T, children Sequence (node T)) is traverse (f T -> unit) unit => f val for child in children do child.traverse f
What are effects?
Running Example
ex18 is node(T type, val T, children Sequence (node T)) is traverse (f T -> unit) unit => f val for child in children do child.traverse f blatt(val String) => node val (list (node String)).empty t := node "lion" [blatt "cougar", blatt "elephant", node "hornet" [blatt "bee", blatt "ant"], blatt "beatle2"] t.traverse (x -> say x)
What are effects?
last changed: 2024-07-01
next: Idiom # 19: Reverse a list
