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Author:admin
Date:2014-06-04T15:46:29.000000Z git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@1373 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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@@ -3,11 +3,7 @@
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[[Property:weight|0]]
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[[Property:uuid|d98b7fb8-37a1-05b3-a58f-baacefd5dce6]]
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__NOTOC__
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=Description=
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Assigning a variable to itself is a meaningless instruction due to a typing error. Most probably, one of the two variable names was misspelled. One example among many others: the programmer wanted to assign a local variable to a class attribute and used one of the variable names twice.
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=Details=
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{|
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:{|
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|-
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| '''Scope'''
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| Instruction
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@@ -25,6 +21,9 @@ Assigning a variable to itself is a meaningless instruction due to a typing erro
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| 70
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|}
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=Description=
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Assigning a variable to itself is a meaningless instruction due to a typing error. Most probably, one of the two variable names was misspelled. One example among many others: the programmer wanted to assign a local variable to a class attribute and used one of the variable names twice.
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=Example=
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<e>a := a
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</e>
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@@ -3,16 +3,27 @@
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[[Property:weight|0]]
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[[Property:uuid|02a649b3-0e4e-6fdf-388d-c411a06fc787]]
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__NOTOC__
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:{| class="wikitable"
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|-
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| '''Scope'''
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| Instruction
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|-
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| '''Enabled'''
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| Yes
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|-
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| '''Severity'''
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| Warning
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|-
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| '''Applicability'''
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| All
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|-
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| '''Score'''
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| 70
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|}
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=Description=
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An expression comparing a variable to itself always evaluates to the same boolean value. The comparison is thus redundant. In an Until expression it may lead to non-termination. Usually it is a typing error.
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=Details=
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*Scope: Instruction
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*Enabled: Yes
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*Severity: Warning
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*Applicability: All
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*Score: 70
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=Example=
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<e>if a >= a then
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...
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