rspec/rules/S901/rule.adoc

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Any executed statement whose removal would not affect program output constitutes dead code (also know as redundant code). It is unclear to a reviewer if this is intentional or has occurred due to an error.
== Noncompliant Code Example
----
int16_t has_dead_code ( int16_t para )
{
int16_t local = 99;
para = para + local;
local = para; // Noncompliant, local is never used
if ( 0 == local )
{
local++; // Noncompliant, unreachable
}
return para;
}
----
== Compliant Solution
----
int16_t has_dead_code ( int16_t para )
{
int16_t local = 99;
para = para + local;
return para;
}
----