Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Find the first occurrence of a string within the string.
template< [role red error.param neither has a declname nor a 'class ' prefix in the type][role red error.param neither has a declname nor a 'class ' prefix in the type][role red error.param neither has a declname nor a 'class ' prefix in the type][role red error.param neither has a declname nor a 'class ' prefix in the type]> constexpr size_type find( const T& t, size_type pos = 0) const;
Constructs a temporary string_view_type
object sv from t, and finds the first occurrence of
sv within the string
starting at the index pos.
Linear.
An empty string is always found.
|
Type |
Description |
|---|---|
|
|
The type of the object to convert. |
std::is_convertible<const T&, string_view>::value
&& !std::is_convertible<const T&, const
CharT*>::value.
The lowest index idx
greater than or equal to pos
where each element of {sv.begin(),
sv.end())
is equal to that of {begin()
+ idx, begin()
+ idx + count) if one exists, and npos otherwise.
|
Name |
Description |
|---|---|
|
|
The string to search for. |
|
|
The index to start searching at. The default argument for this
parameter is |