33 lines
583 B
Plaintext
33 lines
583 B
Plaintext
include::../description.adoc[]
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== Noncompliant Code Example
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----
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if ( $a == $a ) { // always true
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doZ();
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}
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if ( $a != $a ) { // always false
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doY();
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}
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if ( $a == $b && $a == $b ) { // if the first one is true, the second one is too
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doX();
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}
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if ( $a == $b || $a == $b ) { // if the first one is true, the second one is too
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doW();
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}
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$j = 5 / 5; //always 1
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$k = 5 - 5; //always 0
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----
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== Exceptions
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Left-shifting 1 onto 1 is common in the construction of bit masks, and is ignored.
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----
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$i = 1 << 1; // Compliant
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$j = $a << $a; // Noncompliant
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----
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include::../see.adoc[]
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