Return true if this encoder cannot achieve an acceptable result.
Synopsis
Declared in <bdlde_hexencoder.h>
bool
isError() const;
Description
Note that for an encoder, no input can cause an error; the possible errors result either from a call to the convert method after the endConvert method is called the first time, or from a call to the endConvert method after the endConvert method has returned successfully.
Return Value
true if this encoder cannot achieve an acceptable result, and false otherwise
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