:relfileprefix: ../../../../
[#6F5CC11A90CBD43328C29AEEBFBDF5B2D0F7560C]

= Function string_view_base::starts_with

pass:v,q[Return true if a matching prefix exists]


== Synopsis

Declared in header `</boost/url/grammar/string_view_base.hpp#L419[boost/url/grammar/string_view_base.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
bool
starts_with(string_view x) const noexcept;
----

== Description

pass:v,q[See `core::string_view::starts_with`]



== Return Value

* `bool` 


== Parameters

|===
| Name | Type 

| *x*
| `string_view`

|===