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8a19ac2070
* fixes #21393 and misc style changes * progress --------- Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
66 lines
1.3 KiB
Nim
66 lines
1.3 KiB
Nim
discard """
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action: compile
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"""
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{.experimental: "strictFuncs".}
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func sortedFake1[T](a: openArray[T]): seq[T] =
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for i in 0 .. a.high: result.add a[i]
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func sortedFake2[T](a: openArray[T]): seq[T] =
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result = newSeq[T](a.len)
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for i in 0 .. a.high: result[i] = a[i]
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type Foo1 = object
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type Foo2 = ref object
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block:
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let a1 = sortedFake1([Foo1()]) # ok
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let a2 = sortedFake1([Foo2()]) # ok
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block:
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let a1 = sortedFake2([Foo1()]) # ok
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let a2 = sortedFake2([Foo2()]) # error: Error: 'sortedFake2' can have side effects
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import std/sequtils
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type Foob = ref object
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x: int
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let a1 = zip(@[1,2], @[1,2]) # ok
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let a2 = zip(@[Foob(x: 1)], @[Foob(x: 2)]) # error in 1.6.0 RC2, but not 1.4.x
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# bug #20863
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type
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Fooc = ref object
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func twice(foo: Fooc) =
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var a = newSeq[Fooc](2)
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a[0] = foo # No error.
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a[1] = foo # Error: 'twice' can have side effects.
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let foo = Fooc()
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twice(foo)
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# bug #17387
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import json
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func parseColumn(columnNode: JsonNode) =
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let columnName = columnNode["name"].str
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parseColumn(%*{"a": "b"})
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type
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MyTable = object
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data: seq[int]
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JsonNode3 = ref object
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fields: MyTable
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proc `[]`(t: MyTable, key: string): int =
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result = t.data[0]
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proc `[]`(x: JsonNode3, key: string): int =
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result = x.fields[key]
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func parseColumn(columnNode: JsonNode3) =
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var columnName = columnNode["test"]
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parseColumn(JsonNode3())
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