[#BloombergLP-bslstl-to_chars]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::to_chars
:relfileprefix: ../../
:mrdocs:

Write the specified `value` into the character buffer `[first, last)]`.

== Synopsis

Declared in `<bslstl_charconv.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class INTEGRAL_TYPE>
xref:BloombergLP/bslstl/to_chars_result.adoc[to_chars_result]
to_chars(
    char* first,
    char* last,
    INTEGRAL_TYPE value,
    int base = 10);
----

== Description

Optionally specify `base`, the base in which the number is to be written. If `base` is not specified, decimal is used. Return a `to_chars_result` `struct` indicating success or failure, and the end of the written result. On success, the output string is to begin at `first`, the `ptr` field in the return value is to point at the end of the representation, and the `ec` field will be 0. If the buffer specified by `[ first .. last )]` is not large enough for the result, return a `struct` with `ptr` set to `last` and `ec` set to `errc::value_too_large`. Insufficient room in the output buffer is the only failure mode. The behavior is undefined unless `first < last` and `base` is in the range `[ 2 .. 36 ]`.


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