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Add std/setutils to lib.rst (#16791)

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* Add std/setutils to lib.rst

Improve doc comments for setutils

* Adhere to the RST spec

Use no UFCS in toSet
This commit is contained in:
konsumlamm
2021-01-22 13:13:18 +01:00
committed by GitHub
parent f1d165adf2
commit 72bbd07ec1
2 changed files with 19 additions and 14 deletions
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15
lib/std/setutils.nim
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@@ -7,10 +7,14 @@
# distribution, for details about the copyright.
#
## This module adds functionality to the built-in `set` type.
## See also std/packedsets, std/sets
## This module adds functionality for the built-in `set` type.
##
## See also
## ========
## * `std/packedsets <packedsets.html>`_
## * `std/sets <sets.html>`_
import typetraits
import std/typetraits
#[
type SetElement* = char|byte|bool|int16|uint16|enum|uint8|int8
@@ -18,14 +22,15 @@ import typetraits
]#
template toSet*(iter: untyped): untyped =
## Return a built-in set from the elements of iterable `iter`
runnableExamples:
## Returns a built-in set from the elements of the iterable `iter`.
runnableExamples:
assert "helloWorld".toSet == {'W', 'd', 'e', 'h', 'l', 'o', 'r'}
assert toSet([10u16, 20, 30]) == {10u16, 20, 30}
assert [30u8, 100, 10].toSet == {10u8, 30, 100}
assert toSet(@[1321i16, 321, 90]) == {90i16, 321, 1321}
assert toSet([false]) == {false}
assert toSet(0u8..10) == {0u8..10}
var result: set[elementType(iter)]
for x in iter:
incl(result, x)