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34 lines
513 B
Nim
34 lines
513 B
Nim
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import
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unittest,
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../stew/shims/sets
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suite "shims/sets":
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test "keepItIf":
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var s1 = init HashSet[int]
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s1.incl 10
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s1.incl 20
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s1.incl 30
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s1.keepItIf(it > 15)
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check:
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s1.len == 2
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10 notin s1
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20 in s1
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30 in s1
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var s2 = init HashSet[string]
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s2.keepItIf(it.len > 0)
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check s2.len == 0
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s2.incl "test"
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s2.keepItIf(it.len > 10)
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check s2.len == 0
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s2.incl "test"
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s2.keepItIf(it.len > 0)
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check:
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s2.len == 1
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"test" in s2
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