# std::basic_stacktrace<Allocator>::at

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< cpp‎ | utility‎ | basic stacktrace

const_reference at( size_type pos ) const; |  | (since C++23)

Returns a reference to the entry at specified location `pos`, with bounds checking.

If `pos` is not within the range of the stacktrace, an exception of type std::out_of_range is thrown.

### Parameters

pos | - | position of the stacktrace entry to return

### Return value

Reference to the requested entry.

### Exceptions

std::out_of_range if pos >= size().

### Complexity

Constant.

### Example

| This section is incomplete Reason: no example

### See also

operator[] (C++23) | access specified stacktrace entry (public member function)

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