[#bsl-operator_lshift-05b]
= xref:bsl.adoc[bsl]::operator<<
:relfileprefix: ../
:mrdocs:

Stream insertion operators

== Synopses

Declared in `<bslstl_bitset.h>`

Write the string specified by `str` into the output stream specified by `os`, and return `os`. If the string is shorter than `os.width()`, then it is padded to `os.width()` with the current `os.fill()` character. The padding, if any, is output after the string (on the right) if `os.flags() | ios::left` is non‐zero and before the string otherwise. This function will do nothing unless `os.good()` is true on entry.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class CHAR_TYPE,
    class CHAR_TRAITS,
    class ALLOCATOR>
std::basic_ostream<CHAR_TYPE, CHAR_TRAITS>&
xref:bsl/operator_lshift-05f.adoc[operator<<](
    std::basic_ostream<CHAR_TYPE, CHAR_TRAITS>& os,
    xref:bsl/basic_string-0faf.adoc[basic_string<CHAR_TYPE, CHAR_TRAITS, ALLOCATOR>] const& str);
----

[.small]#xref:bsl/operator_lshift-05f.adoc[_» more..._]#

Print to the specified `stream` the address of the shared object referred to by the specified `rhs` shared pointer and return a reference to the modifiable `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class CHAR_TYPE,
    class CHAR_TRAITS,
    class ELEMENT_TYPE>
std::basic_ostream<CHAR_TYPE, CHAR_TRAITS>&
xref:bsl/operator_lshift-02.adoc[operator<<](
    std::basic_ostream<CHAR_TYPE, CHAR_TRAITS>& stream,
    xref:bsl/shared_ptr-0a.adoc[shared_ptr<ELEMENT_TYPE>] const& rhs);
----

[.small]#xref:bsl/operator_lshift-02.adoc[_» more..._]#

Insert a textual representation of the specified bitset `x` into `os`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class CHAR_TYPE,
    class TRAITS,
    std::size_t N>
std::basic_ostream<CHAR_TYPE, TRAITS>&
xref:bsl/operator_lshift-01.adoc[operator<<](
    std::basic_ostream<CHAR_TYPE, TRAITS>& os,
    xref:bsl/bitset.adoc[bitset<N>] const& x);
----

[.small]#xref:bsl/operator_lshift-01.adoc[_» more..._]#


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