[#BloombergLP-bdlb-BitStringUtil-removeAndFill0]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitStringUtil.adoc[BitStringUtil]::removeAndFill0
:relfileprefix: ../../../
:mrdocs:

Remove the specified `numBits` from the specified `bitString` having the specified `length` beginning at the specified `index`. Bits above `index + numBits` are shifted down by `numBits` index positions and the last `numBits` of `bitString` are set to 0. The length of `bitString` is not changed. The behavior is undefined unless `index + numBits <= length`.

== Synopsis

Declared in `<bdlb_bitstringutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
removeAndFill0(
    uint64_t* bitString,
    std::size_t length,
    std::size_t index,
    std::size_t numBits);
----


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