BloombergLP::bdlat::EnumUtil::fromIntOrFallbackIfEnabled

Decode an enumeration from an integer, using a fallback if needed.

Synopsis

Declared in <bdlat_enumutil.h>

template<class TYPE>
static
int
fromIntOrFallbackIfEnabled(
    TYPE* result,
    int number);

Description

Load into the specified result the enumerator matching the specified number and return 0 if such an enumerator exists. Otherwise, if result supports a fallback enumerator, load into result the fallback enumerator value and return 0. Otherwise, return a non‐zero value with no effect on result. The behavior is undefined unless TYPE is a bdlat enumeration type.

Return Value

0 on success, and a non‐zero value otherwise

Parameters

Name

Description

result

enumeration object to receive the decoded value

number

integral enumerator value to decode

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