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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Balanced-brackets/Red/balanced-brackets.red Normal file
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; Functional code
balanced-brackets: [#"[" any balanced-brackets #"]"]
rule: [any balanced-brackets end]
balanced?: func [str][parse str rule]
; Tests
tests: [
good: ["" "[]" "[][]" "[[]]" "[[][]]" "[[[[[]]][][[]]]]"]
bad: ["[" "]" "][" "[[]" "[]]" "[]][[]" "[[[[[[]]]]]]]"]
]
foreach str tests/good [
if not balanced? str [print [mold str "failed!"]]
]
foreach str tests/bad [
if balanced? str [print [mold str "failed!"]]
]
repeat i 10 [
str: random copy/part "[][][][][][][][][][]" i * 2
print [mold str "is" either balanced? str ["balanced"]["unbalanced"]]
]