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Revert "Adds to tables module example of reference type vs value type."

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This reverts commit bde9d1ac07.
This commit is contained in:
Grzegorz Adam Hankiewicz
2014-06-10 00:39:19 +02:00
parent 3f9ad7ef22
commit af6abac491
1 changed files with 2 additions and 32 deletions
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34
lib/pure/collections/tables.nim
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@@ -52,25 +52,8 @@
## p2.lastName = "박"
## salaries[p2] = 45_000
##
## **Note:** The data types declared here starting with the **T** prefix have
## *value semantics*: This means that ``=`` performs a copy of the hash table.
## On the other hand, types declared with the **P** prefix have *reference
## semantics*. Behaviour comparison:
##
## .. code-block:: nimrod
## var valueWords = initTable[string, string]()
## valueWords["teh"] = "the"
## var valueWordsClone = valueWords
## # Changing the clone won't change the original.
## valueWordsClone["teh"] = "thehehe"
## assert valueWords["teh"] != valueWordsClone["teh"]
##
## var refWords = newTable[string, string]()
## refWords["teh"] = "the"
## var refWordsShadow = refWords
## # Both the shadow and the original share the same data.
## refWordsShadow["teh"] = "thehehe"
## assert refWords["teh"] == refWordsShadow["teh"]
## **Note:** The data types declared here have *value semantics*: This means
## that ``=`` performs a copy of the hash table.
import
hashes, math
@@ -878,16 +861,3 @@ when isMainModule:
s2[p2] = 45_000
s3[p1] = 30_000
s3[p2] = 45_000
# Ref verification.
var valueWords = initTable[string, string]()
valueWords["teh"] = "the"
var valueWordsClone = valueWords
valueWordsClone["teh"] = "thehehe"
assert valueWords["teh"] != valueWordsClone["teh"]
var refWords = newTable[string, string]()
refWords["teh"] = "the"
var refWordsShadow = refWords
refWordsShadow["teh"] = "thehehe"
assert refWords["teh"] == refWordsShadow["teh"]