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sets: minor documentation fixes [ci skip] (#11377)

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Mainly replace a backslash, which was supposed to represent set
difference, with the Unicode symbol for set difference (U+2216).
The backslash did not appear in the output since it is used to
escape characters in reST.

Fix a few typos as well.
This commit is contained in:
Jjp137
2019-06-01 23:29:31 -07:00
committed by Andreas Rumpf
parent 1255b3c864
commit 9ee2ecf0a6
1 changed files with 3 additions and 3 deletions
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6
lib/pure/collections/sets.nim
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@@ -233,7 +233,7 @@ proc toHashSet*[A](keys: openArray[A]): HashSet[A] =
iterator items*[A](s: HashSet[A]): A =
## Iterates over elements of the set `s`.
##
## If you need a sequence with the elelments you can use `sequtils.toSeq
## If you need a sequence with the elements you can use `sequtils.toSeq
## template <sequtils.html#toSeq.t,untyped>`_.
##
## .. code-block::
@@ -439,7 +439,7 @@ proc difference*[A](s1, s2: HashSet[A]): HashSet[A] =
##
## The same as `s1 - s2 <#-,HashSet[A],HashSet[A]>`_.
##
## The difference of two sets is represented mathematically as *A \ B* and is
## The difference of two sets is represented mathematically as *A ∖ B* and is
## the set of all objects that are members of `s1` and not members of `s2`.
##
## See also:
@@ -559,7 +559,7 @@ proc `==`*[A](s, t: HashSet[A]): bool =
s.counter == t.counter and s <= t
proc map*[A, B](data: HashSet[A], op: proc (x: A): B {.closure.}): HashSet[B] =
## Returns a new set after applying `op` pric on each of the elements of
## Returns a new set after applying `op` proc on each of the elements of
##`data` set.
##
## You can use this proc to transform the elements from a set.